Journey to the end of the Earth | CBSE Class 12 English Notes

This note covers Tishani Doshi’s Antarctic journey, the history of Gondwana, human influence on the environment, Students on Ice, the importance of tiny marine plants, the ocean walk, characters, themes, language, key quotations and practice questions.

Who is the author, and what kind of text is this?

Author and personal perspective

Tishani Doshi writes about her journey to Antarctica while working with Students on Ice, a programme taking high school students to polar regions. She identifies herself as a South Indian accustomed to sunshine. Her unfamiliarity with the Antarctic environment shapes her reactions.

The account follows her movement from physical exhaustion to wonder, historical reflection, environmental concern and renewed hope. Her personal responses give the journey an emotional centre. Antarctica becomes a place where she reconsiders humanity’s position within the much longer history of the Earth.

Travel and reflection

A travelogue is an account of travel that describes places and experiences. This travelogue also develops an argument about environmental responsibility. Descriptions of ice and wildlife lead into explanations of continental history, human activity and the relationships supporting life.

The first-person narrator, the person telling the experience through “I”, is Doshi herself. Her account combines what she sees, what she learns and what she wonders about. Its questions about the future remain open, even as its warning about human influence is forceful.

Personal experience and scientific explanation therefore work together. The journey gives environmental ideas a visible setting, while the explanations help the reader understand why that setting matters beyond the traveller’s immediate pleasure or discomfort.

What happens in the section-by-section summary?

Opening: arrival and wonder

Doshi travels towards Antarctica on the Akademik Shokalskiy, a Russian research vessel. Antarctica is the coldest, driest and windiest continent. Her journey begins in Madras, 13.09 degrees north of the Equator, the imaginary line dividing the Earth into northern and southern halves. She crosses nine time zones, six checkpoints and three bodies of water.

The journey also crosses at least as many ecospheres, regions considered through their living things and environments, as bodies of water. After over 100 hours of travel by car, aeroplane and ship, she first feels relief. Wonder follows as she faces the enormous white landscape.

The continent’s isolation astonishes her, especially when she considers that India and Antarctica once belonged to the same landmass. This thought shifts the account from the immediate journey to the Earth’s distant past.

Part of history

Gondwana was a huge southern supercontinent, a landmass joining areas now separated. Doshi’s account places it 650 million years ago, centred roughly around present-day Antarctica. Its warmer climate supported varied plants and animals, and humans had not yet appeared.

Gondwana thrived for 500 million years. Its eventual separation and the movement of landmasses shaped the world familiar to us. India’s movement towards Asia and the opening of the Drake Passage illustrate how the positions of continents changed.

Antarctica’s vast ice, unusual summer light and absence of familiar landmarks disturb Doshi’s ordinary sense of size and time. She begins to measure human existence against geological history, the history of the Earth’s physical formation and changes.

Human impact

The account contrasts the comparatively brief history of human civilisation with its considerable environmental influence. Expanding populations compete with other species for limited resources. Burning fossil fuels, fuels formed from ancient organic remains, increases the surrounding burden of carbon dioxide, a gas linked here with rising global temperature.

Antarctic ice preserves ancient carbon records. These help connect the planet’s past with questions about its future. Doshi then introduces Students on Ice and Geoff Green’s belief that young people can learn from direct experience and become responsible decision-makers, people whose choices influence others.

The example of phytoplankton, microscopic single-celled plants in the sea, shows how small environmental changes can have large effects. Their importance to food relationships and carbon processes makes care for apparently small things essential.

Walk on the ocean

Thick ice blocks the ship near Tadpole Island. Before turning north, the Captain has the group descend and walk on the frozen ocean. All 52 participants stand on an ice pack, a stretch of floating sea ice, a metre thick, with 180 metres of salt water beneath it.

Crabeater seals rest nearby. The experience gives Doshi an epiphany, a sudden moment of clear understanding: the different parts of the natural world are connected. Her journey ends with unanswered questions about humanity’s future and hope inspired by the idealism, or belief in the possibility of a better world, of the teenagers accompanying her.

How does Antarctica reveal the Earth’s past?

A landscape that changes the scale of time

Gondwana’s history challenges the assumption that present continental boundaries have always existed. Doshi’s amazement at the former connection between India and Antarctica prepares the reader to see the current map as one stage in an immense history of change.

She imagines India moving north and pressing against Asia, producing the Himalayas. She also describes South America moving towards North America and the opening of the Drake Passage, the sea passage associated in her account with a cold current around Antarctica.

A circumpolar current is an ocean current flowing around a polar region. Its role in the account explains how Antarctica became cold and isolated. The journey therefore moves beyond scenery towards the forces responsible for that scenery.

The description of a formerly warmer southern landmass is especially striking beside the traveller’s encounter with ice. It makes environmental change imaginable across enormous periods. The present landscape becomes evidence of transformation rather than a permanent background to human activity.

Ice as a record

Ice cores are samples taken from layers of ice. Antarctica’s layers contain half-million-year-old carbon records. These preserved traces make the continent valuable for examining past conditions and for thinking about relationships between the past, present and future.

The significance is both scientific and personal. Scientific records help investigation, while the continent’s scale makes the narrator reconsider human importance. Humanity’s comparatively recent arrival becomes clearer when placed beside landmasses changing over millions of years.

Note: Doshi’s geological account supplies the historical framework of her journey. Its large timescales explain her sense of wonder and humility; the final questions about the future remain questions.

How does the Antarctic setting change the narrator’s perspective?

Unfamiliar size, light and silence

Doshi’s familiar southern Indian environment contrasts sharply with Antarctica. In her account, the continent stores 90 per cent of the Earth’s total ice volumes. The prospect of spending two weeks there challenges both her physical comfort and her imagination.

The setting lacks the trees, advertising boards and buildings through which she normally judges distance and human presence. Her comparison with a giant ping-pong ball conveys an enclosed impression of whiteness. Perspective, her ordinary sense of scale and position, becomes difficult to maintain.

At one extreme are tiny creatures such as midges and mites; at the other are blue whales and enormous icebergs. This movement between very small and very large forms unsettles the assumption that the human body provides the natural measure of everything.

The austral summer, summer in the Earth’s southern half, brings the continuous 24-hour light she describes. Ordinary divisions between day and night become less useful. Repetition in the description of continuing days makes the reader feel the unusual extension of time.

Silence is interrupted by occasional avalanches, masses of falling snow or ice, and calving, the breaking away of ice. Sound briefly reveals movement within an apparently still landscape. The silence contributes to her sense that this place deserves reverence.

Why these details matter

These impressions are central to the change in Doshi’s thinking. Once familiar human markers disappear, the Earth’s history becomes the larger frame of reference. The physical setting prepares her to question the scale of human ambition and the consequences of human activity.

What does the account suggest about human impact and climate uncertainty?

A short history with substantial effects

Doshi describes human civilisations as having existed for 12,000 years. She contrasts this brief span with geological time to expose the disproportion between humanity’s duration and its environmental influence. Villages, towns, cities and megacities mark the expansion of human control over nature.

Growing populations compete with other species for limited resources. Unrestrained fossil-fuel burning produces a surrounding accumulation of carbon dioxide, described through the image of a blanket. The account links this accumulation with a slow but certain increase in average global temperature.

Global warming means an increase in the Earth’s average temperature. The narrator makes it visible through retreating glaciers and collapsing ice shelves. Glaciers are large moving masses of ice; ice shelves are floating extensions of land ice.

Warning without a fixed prediction

Doshi asks whether the West Antarctic ice sheet will melt entirely, whether the Gulf Stream ocean current will be disrupted, and whether familiar life will end. Her response leaves these particular outcomes unresolved. Concern about warming does not become certainty about every possible consequence.

Antarctica is relatively pristine in the respect she specifies: it has never sustained a human population. Pristine here means comparatively undisturbed. This qualification matters because the account also presents the continent as a place where environmental threats can be observed.

The narrator’s reasoning has two connected parts. Human influence is already a cause for concern, and Antarctica offers valuable records and observations for understanding it. The incomplete certainty about future outcomes strengthens the need for attention rather than removing that need.

Her questions also draw the reader into the argument. Instead of closing the discussion with a guaranteed forecast, she leaves humanity facing responsibility within an uncertain future.

Who are the main characters and participants?

Tishani Doshi: the observant narrator

Doshi is the central participant and interpreting voice. Her relief after difficult travel, astonishment at Antarctica and concern about environmental damage make her responses accessible. She learns through bodily experience as well as through knowledge of the planet’s history.

Her comparisons repeatedly connect an unfamiliar place with familiar objects or scenes. This habit helps readers follow her changing understanding. Her uncertainty at the end also makes her reflective: she recognises that neither personal experience nor knowledge removes every question about the future.

Geoff Green: the educational organiser

Geoff Green is the Canadian heading Students on Ice. He has become dissatisfied with taking celebrities and wealthy retired curiosity-seekers whose ability to give back is limited. He turns towards young people because they are ready to learn and act.

His role embodies purposeful education. The expedition is intended to change how participants understand and respect the planet. Its value extends beyond the visit because its students belong to a future generation of policy-makers, people who help shape public decisions.

The students and the Captain

The teenagers represent the possibility of future action. Their idealism, belief that a better world is possible, encourages Doshi. They are presented as a group whose readiness to learn can influence the years ahead.

The Captain responds to the blocked route by deciding to turn north. Before the return, the group is instructed to walk on the ice. This practical interruption becomes the occasion for Doshi’s strongest realisation about natural connections.

These participants have distinct functions in the account: the narrator reflects, Green creates the educational opportunity, the students suggest hope, and the Captain’s decision makes the final memorable experience possible.

Why does Students on Ice focus on young people?

Experience that can lead to action

Students on Ice takes high school students to the ends of the world to develop understanding and respect for the planet. At the time of Doshi’s journey, she describes it as having operated for six years. That duration belongs to her account’s setting.

Geoff Green wants the experience to reach people who can respond actively. His earlier passengers included celebrities and wealthy retired travellers who could give back only in a limited way. High school students offer a different possibility because they are ready to absorb, learn and act.

The programme connects learning with future responsibility. These students may become the people making decisions that affect others. Their encounter with Antarctica can therefore matter long after their immediate memories of the expedition.

Why direct observation is persuasive

It is easy to remain blasé, casually unconcerned through familiarity or distance, about melting polar ice while living comfortably elsewhere. Seeing glaciers retreat and ice shelves collapse makes the threat harder to treat as an abstract discussion.

This contrast explains the programme’s educational method. A physical encounter joins knowledge to emotion: the students do not merely hear that environmental change matters but witness a landscape through which they can understand its consequences.

Doshi’s response supports Green’s purpose. Her most powerful insight comes while standing above ocean water and watching seals nearby. The same kind of direct encounter can make students reconsider relationships that ordinary life allows them to overlook.

The hope attached to youth remains a hope about capacity and commitment. The ending values the teenagers’ idealism without claiming that the expedition has already solved environmental problems.

How does phytoplankton explain the connection between small and large things?

A small organism with a large role

Antarctica’s simple ecosystem, the relationships between living organisms and their surroundings, and its lack of biodiversity make environmental connections easier to examine in Doshi’s account. Biodiversity means the variety of living organisms. Small disturbances can reveal wider consequences.

Phytoplankton are described as microscopic single-celled plants sustaining the Southern Ocean’s entire food chain. A food chain is a sequence of feeding relationships through which living things depend on one another. Tiny size therefore does not mean a minor role.

They perform photosynthesis, using sunlight to take in carbon and make organic compounds. Organic compounds here are carbon-containing substances made through this process. Their activity connects the food available to marine life with the movement of carbon.

Following the warning carefully

The ozone layer is a region of the atmosphere containing ozone, a form of oxygen. Scientists warn that further depletion, or reduction, of this layer will affect phytoplankton activity. The warning concerns an additional change, not merely the existence of the organisms.

Changed phytoplankton activity will in turn affect the region’s marine animals and birds, as well as the global carbon cycle, the movement of carbon through the Earth’s linked natural systems. The account links a small living form to effects extending far beyond it.

1. Phytoplankton use sunlight to make organic compounds through photosynthesis.
2. Their activity supports the Southern Ocean’s food chain.
3. Further ozone depletion will affect that activity, as the scientists warn.
4. The effects will extend to regional marine life and the global carbon cycle.

The example becomes a parable, a short account used to communicate a wider lesson. It teaches responsibility towards small things because larger systems depend on them. The moral grows from the ecological relationship rather than from the plants’ size or appearance.

Why is the walk on the ocean the turning point?

The experience and its precise setting

The strongest of Doshi’s sudden insights occurs at 65.55 degrees south, just short of the Antarctic Circle. The Shokalskiy is caught in thick ice between the peninsula and Tadpole Island. A peninsula is land projecting into water.

The ice prevents further progress, so the Captain decides to return north. Before departure, the travellers descend the gangplank, the passage used to board or leave a ship. All 52 participants walk onto the frozen ocean wearing protective clothing and sunglasses.

The surface beneath them is a metre-thick ice pack, a stretch of floating sea ice. Beneath that lies 180 metres of salt water. These different measurements establish both the surface carrying the group and the much deeper living environment below it.

Nearby, Crabeater seals stretch and sun themselves on ice floes, separate floating sheets of ice. Doshi compares their relaxed behaviour with stray dogs under a banyan tree. The comparison makes the Antarctic animals’ ease recognisable through a familiar scene.

From observation to understanding

The travellers’ bodies, the supporting ice, the water below and the seals nearby occupy one connected setting. Doshi’s realisation about connection brings together the earlier geological and environmental reflections. An idea explained through phytoplankton is now felt through experience.

The ending then asks whether Antarctica might again become warm and whether humanity would survive to see it. Extinct animals provide a sobering comparison, but the questions remain unresolved. The teenagers’ idealism offers a hopeful counterweight to that uncertainty.

The contrast between a million years and a single day gives the conclusion its force. Vast changes belong to geological time, yet a short experience can change how someone understands responsibility.

What are the main themes and the message?

Interdependence within nature

Interdependence means mutual reliance within a connected system. Phytoplankton, marine animals, birds and carbon processes show this relationship. The ocean walk gives it an emotional form by placing the narrator among ice, water, wildlife and fellow travellers.

The message is that attention to small parts matters because the larger system relies on them. The movement from microscopic plants to the global carbon cycle makes environmental care a question of relationships, not simply admiration for spectacular scenery.

Human humility before geological time

The history of Gondwana and the movement of continents place human civilisation within a much longer story. Humility here means recognising the limits of human importance and control. The unfamiliar landscape weakens the narrator’s habitual reliance on human landmarks and measurements.

This theme does not make human actions unimportant. Instead, the account contrasts humanity’s brief existence with its large environmental effects. A short presence can still carry considerable responsibility.

Environmental responsibility

Resource competition, fossil-fuel burning and visible changes in ice connect human activity with environmental concern. The narrator asks readers to recognise the consequences of treating nature as something humanity can dominate without limits.

Responsibility involves responding to the connections the journey reveals. Care for small organisms, awareness of changing conditions and respect for the planet belong to the same ethical argument.

Education, youth and qualified hope

Students on Ice presents learning as a possible beginning of action. Green’s confidence in young people and Doshi’s response to their idealism give the conclusion hope. The experience matters because understanding can influence future choices.

The hope is qualified, meaning it has limits rather than guaranteeing success. The narrator still asks whether humans will survive future changes. Her optimism concerns young people’s potential, while her unanswered questions preserve the seriousness of the environmental threat.

How do language, key quotations and analytical questions deepen the meaning?

Images and comparisons

Imagery is language that creates sensory impressions. The white landscape, blue horizon, extended summer light and interrupted silence make Antarctica feel unfamiliar. These details help explain why the narrator’s ordinary assumptions about place and time begin to change.

A simile makes an explicit comparison. The giant ping-pong ball comparison conveys overwhelming whiteness and the loss of familiar markers. The comparison between resting seals and stray dogs brings a remote scene closer to everyday experience.

A metaphor describes one thing through another without an explicit comparison. The carbon-dioxide blanket presents warming through a familiar covering. The geological clock compresses immense stretches of time into an image that makes humanity’s brief history easier to grasp.

Short key quotations in context

“Maybe. Maybe not.”

Speaker and context: Doshi responds to questions about particular future climate outcomes. The clipped sentences preserve uncertainty. They prevent an anxious possibility from being presented as a settled prediction.

“relatively ‘pristine’”

Speaker and context: Doshi describes Antarctica in relation to its never having sustained a human population. The qualifying word limits the claim; the expression does not mean that environmental change cannot affect the continent.

“everything does indeed connect”

Speaker and context: Doshi reflects during the ocean walk. The statement gathers together the relationships explored through continental history, phytoplankton and the immediate presence of ice, sea and wildlife.

“what a difference a day makes!”

Speaker and context: Doshi ends by contrasting a brief transformative experience with geological time. Her time with idealistic teenagers supports the possibility that changed understanding can influence future action.

Connecting evidence to an analytical answer

An analytical answer explains how a detail produces meaning. For the theme of connection, the phytoplankton example supplies a relationship to explain; the ocean walk supplies a moment in which that relationship becomes personally convincing.

The title works in a similar way. The remote destination gives the journey its physical meaning, while the reflections on history and possible futures deepen it. Travelling towards the Earth’s farthest regions becomes a way of reconsidering life across the whole planet.

Glossary

• Travelogue — An account of travel that presents places, experiences and the traveller’s responses to them.
• Gondwana — The ancient southern supercontinent that included land now separated into different parts of the world.
• Geological history — The long history of the Earth’s physical formation, structures and changes through time.
• Circumpolar current — An ocean current flowing around a polar region, associated here with Antarctica’s cold conditions.
• Austral summer — Summer in the southern hemisphere, experienced here through continuous Antarctic summer daylight.
• Calving — The breaking away of ice, one of the events interrupting the Antarctic silence.
• Ice cores — Samples from layers of ice that preserve records useful for investigating earlier environmental conditions.
• Blasé — Casually unconcerned or unimpressed, describing a detached response to a serious environmental threat.
• Biodiversity — The variety of living organisms, discussed alongside the simplicity of the Antarctic ecosystem.
• Phytoplankton — Microscopic single-celled plants described as supporting the Southern Ocean’s entire food chain.
• Photosynthesis — The process through which these plants use sunlight to assimilate carbon and produce organic compounds.
• Parable — A short account or example that communicates a wider moral or lesson about life.
• Epiphany — A sudden clear realisation, such as Doshi’s understanding of connection during the ocean walk.
• Ice floes — Separate floating sheets of ice on which the seals rest during the ocean walk.
• Interdependence — A relationship of reliance between parts of a system, illustrated through organisms and their environment.

Common errors and misconceptions

• Misconception: Doshi feels wonder before anything else on arrival. Correct: After over 100 hours of travel, she first feels relief; profound wonder follows immediately.
• Misconception: Gondwana means present-day Antarctica alone. Correct: It was a much larger joined southern landmass, centred roughly around the location of present-day Antarctica.
• Misconception: The account guarantees the complete melting of the West Antarctic ice sheet. Correct: Doshi raises this as a question and leaves that particular outcome uncertain.
• Misconception: Relatively pristine means completely unaffected by environmental threats. Correct: The description is qualified by Antarctica’s not having sustained a human population; environmental change still matters there.
• Misconception: The six-year duration describes Students on Ice today. Correct: It is the duration given at the time of the narrated journey, not an updated programme history.
• Misconception: Tiny phytoplankton have little influence on larger life. Correct: Their activity sustains the Southern Ocean’s food chain and is connected with the global carbon cycle.
• Misconception: The group walks on ice 180 metres thick. Correct: The ice pack is a metre thick; 180 metres is the depth of the salt water beneath it.
• Misconception: The hopeful ending guarantees humanity’s survival. Correct: The teenagers’ idealism encourages Doshi, but her questions about future survival remain unresolved.

Exam-style questions with model answers

Q1. After over 100 hours of travel by car, aeroplane and ship, Doshi first feels relief on reaching Antarctica. Wonder follows at the immense, isolated landscape and its former connection with India. Explain this emotional sequence in two points. [2 marks]

1. Relief comes first because reaching Antarctica ends the immediate strain of a journey lasting over 100 hours across several forms of transport.
2. Wonder follows because the landscape’s scale and isolation, together with its former connection to India, turn physical arrival into historical reflection.

Q2. Doshi asks whether the West Antarctic ice sheet will melt entirely and whether the Gulf Stream will be disrupted, then leaves both possibilities unresolved. What does this reveal about her treatment of the future? Give two points. [2 marks]

1. She treats these particular future outcomes as uncertain possibilities, so an answer should preserve her questioning attitude rather than announce guaranteed events.
2. The unresolved questions express concern while acknowledging uncertainty; they invite reflection on what could happen instead of closing the discussion.

Q3. Gondwana once joined land now separated, and Antarctica’s ice cores preserve half-million-year-old carbon records. Doshi links studying the continent with understanding the Earth’s past, present and future. Explain its importance using three points drawn from these details. [3 marks]

1. The former joining of now-separated land shows that the planet’s present arrangement developed through change. Antarctica therefore encourages a historical view of landscapes rather than treating current boundaries as permanent.
2. The ancient carbon records preserved in ice provide evidence of earlier conditions, giving the study of the past a material basis.
3. Connecting that history with present investigation supports reflection on possible future changes, without making every future outcome certain.

Q4. Geoff Green finds that celebrities and wealthy retired curiosity-seekers can give back only in a limited way. Students on Ice instead reaches young people ready to learn and act, including future policy-makers. Seeing retreating glaciers and collapsing ice shelves makes warming tangible. Explain four reasons for this educational approach. [4 marks]

1. Green seeks a greater response than the limited contribution he associates with his earlier groups of travellers.
2. Young people are ready to learn, so direct experience can shape their understanding while their attitudes are developing.
3. Their readiness to act links education with responsibility, while their possible future roles in policy-making extend the value of that learning.
4. Visible glacier retreat and collapsing ice shelves make warming tangible, connecting an environmental idea with an experience participants can understand directly.

Q5. Phytoplankton are microscopic single-celled plants that use sunlight to assimilate carbon and make organic compounds. They sustain the Southern Ocean’s entire food chain. Scientists warn that further ozone depletion will affect their activity, regional marine animals and birds, and the global carbon cycle. Explain in five points how this example supports care for small things. [5 marks]

1. Phytoplankton’s microscopic size contrasts with their importance. The example establishes that a living thing’s significance cannot be judged simply by how large or conspicuous it is.
2. Their use of sunlight to assimilate carbon and make organic compounds gives them an active role in sustaining life through photosynthesis.
3. The Southern Ocean’s entire food chain depends on them, so larger marine life relies on the activity of these tiny plants.
4. The warning about further ozone depletion shows how a change affecting phytoplankton can extend to animals and birds across the region.
5. The link with the global carbon cycle widens the lesson beyond local feeding relationships: caring for small parts helps protect the larger systems connected with them.

Q6. At 65.55 degrees south, ice blocks the ship between the peninsula and Tadpole Island. Before turning north, 52 participants walk on a metre-thick ice pack above 180 metres of salt water. Crabeater seals rest nearby, and Doshi suddenly understands that everything connects. Explain the significance of this episode in five points. [5 marks]

1. The blocked route interrupts the planned journey, yet the pause becomes an opportunity for understanding when the group walks out before returning north.
2. The presence of 52 participants places the travellers physically within the setting they are exploring, making the event a shared experience.
3. The metre-thick ice supporting them and the 180 metres of water beneath it bring different parts of the environment into one immediate relationship.
4. The resting Crabeater seals add living creatures to this setting, so the experience includes wildlife as well as ice, water and people.
5. Doshi’s sudden understanding gathers these details into a perception of connection, turning a memorable physical experience into a broader insight about the natural world.

Q7. Doshi contrasts vast geological change with a day capable of changing understanding. She wonders whether humans would survive a warmer Antarctica, leaves the question unanswered, and feels encouraged by the teenagers’ idealism. Explain in three points why the ending combines warning and hope. [3 marks]

1. The question about human survival keeps the consequences of environmental change serious. Because it remains unanswered, the ending offers no assurance that humanity will escape future danger.
2. The teenagers’ idealism provides hope through their willingness to imagine a better future, giving the narrator an encouraging response to uncertainty.
3. The contrast between geological change and a transformative day suggests that a brief experience can reshape understanding, even within a history far longer than human lives.

Q8. Doshi compares the Antarctic landscape with a giant ping-pong ball lacking familiar human markers. She compares seals resting on ice with stray dogs beneath a banyan tree. Explain how each comparison helps the reader understand her experience. [2 marks]

1. The ping-pong ball comparison conveys the overwhelming whiteness and unfamiliar scale of a landscape without the human markers she normally recognises.
2. The seals-and-dogs comparison makes an unfamiliar Antarctic scene accessible through a recognisable image of animals resting comfortably in their surroundings.

Key takeaways

• Doshi’s journey moves from physical travel to reflection on geological history, environmental responsibility and humanity’s uncertain future.
• Gondwana’s history reveals that India and Antarctica once belonged to a joined landmass very different from today’s continental arrangement.
• Antarctica’s unfamiliar scale, light and silence challenge the narrator’s ordinary assumptions about human importance and the passage of time.
• Ancient carbon records in Antarctic ice connect investigation of past conditions with questions about the present and future.
• Students on Ice links direct experience with learning and action, placing particular hope in young people’s future responsibilities.
• Phytoplankton demonstrate how tiny organisms support larger systems, making care for small things an essential environmental lesson.
• The ocean walk turns the idea of connection into a personal realisation through the immediate presence of ice, water and wildlife.
• The ending combines unresolved questions about survival with hope inspired by the teenagers’ idealism and capacity to learn.

Test yourself

Which vessel takes Doshi towards Antarctica, and what kind of vessel is it?

She travels on the Akademik Shokalskiy, a Russian research vessel heading towards Antarctica.

What emotion comes first when she arrives, and what follows it?

Relief after the long journey comes first, followed immediately by profound wonder at Antarctica.

What does Gondwana explain about the relationship between India and Antarctica?

They once formed parts of the same southern supercontinent before the landmass separated.

Why are Antarctica’s ice cores valuable for understanding the past?

They preserve half-million-year-old carbon records within layers of ice, providing evidence of earlier conditions.

Why does Geoff Green choose high school students for his programme?

They are ready to absorb, learn and act, and belong to a future generation of policy-makers.

How does further ozone depletion enter the phytoplankton example?

Scientists warn that it will affect phytoplankton activity, with consequences for regional marine life and the global carbon cycle.

What do the two measurements in the ocean walk describe?

One metre describes the ice pack’s thickness; 180 metres describes the salt water beneath it.

What sustains hope at the end despite uncertainty about humanity’s future?

The teenagers’ idealism encourages Doshi to value the difference a brief, transformative experience can make.