Chapter journey-to-the-end-of-the-earth: Journey to the end of the Earth | Long Questions

The author brilliantly uses microscopic phytoplankton, the single-celled marine plants that actively sustain the entire Southern Ocean's complex food chain, to deliver a highly powerful environmental message. These tiny organisms efficiently use solar energy to assimilate carbon and beautifully synthesize organic compounds through photosynthesis. However, scientists strongly warn that further dangerous depletion of the protective ozone layer will severely disrupt the life-sustaining activities of these phytoplankton. If they sadly perish, it will instantly trigger a catastrophic chain reaction, destroying the lives of marine animals, seabirds, and ultimately ruining the global carbon cycle. The author wisely states that there is a great metaphor for existence in this terrifying scenario: "take care of the small things and the big things will fall into place." It deeply teaches us that small environmental actions collectively prevent massive ecological disasters and secure the earth's future.

According to Tishani Doshi, human civilization has been on Earth for a mere twelve thousand years, which is barely a few passing seconds on the grand geological clock. However, in this incredibly short span, arrogant humans have managed to create massive, widespread ecological disruption. We have aggressively etched our dominance over nature by rapidly building expanding villages, sprawling towns, and highly polluted megacities. The rapid, uncontrolled explosion of the human population has violently forced us into a constant battle with other species for limited, quickly dwindling resources. Most alarmingly, the unmitigated and reckless burning of fossil fuels has completely enveloped the planet in a thick, toxic blanket of carbon dioxide. This dangerous layer is slowly but surely trapping heat and significantly raising the average global temperature, triggering dangerous climate change that threatens ecosystems worldwide.

During her long journey, the author experienced a truly profound epiphany when their Russian research vessel, the Shokalskiy, wedged itself into a thick stretch of white ice, making further forward navigation entirely impossible. The captain decided to safely turn around, but before doing so, the fifty-two eager passengers were instructed to climb down the gangplank and literally walk on the frozen ocean. Walking cautiously on the stark, blindingly white ice pack, which was a full metre thick, the author deeply realized that just beneath their heavy boots lay 180 metres of living, breathing, dark saltwater. Observing relaxed Crabeater seals sunning themselves on ice floes nearby, the incredible, interconnected beauty of the planet's ecological balance struck her. This highly surreal experience deeply reinforced her realization that human survival absolutely depends on maintaining this delicate, global harmony.