Gabrielle Walker

the story of the great global catastrophe that spawned life as we know it

Snowball Earth

This is a full and intimate portrait of the most mysterious continent on earth, and how it holds the key to all our futures.

an intimate portrait of the world's most mysterious continent

Antarctica

In 1960 Joe Kittinger fell to earth from the edge of space and lived. Inside a pressure suit, attached to a huge helium balloon, Kittinger freefell from where the earth's atmosphere met space - an appalling, hostile, environment that would freeze us, and burn us and boil us away. It is the air that Kittinger fell through that makes our lives on earth possible - the atmosphere is made up of enfolding layers of air which protect us so completely that we don't even realise the dangers of space lurking just twenty miles above us. We don't just live in the air, we live because of it. Gabrielle Walker's new book illuminates this most extraordinary and yet most underrated substance on earth- air. Thin air miraculously transforms into food; our atmosphere soaks up flares from the sun that are more violent than a nuclear explosion; the air wraps our planet in a blanket of warmth; radio signals bounce off a layer of floating metal in the air. An Ocean of Air reveals the story of how humanity came to understand earth's atmosphere through the stories of the people who discovered the functions of each of its layers- the Italian Renaissance scientist, disciple of Galileo, who discovered that we live at the bottom of a dense ocean of air; an arrogant Frenchman who had only just discovered how air brings us life, when the guillotine brought him death; a hapless 1920s inventor who inadvertently created chemicals that could punch a hole in the sky. After you've read this book, you will never take air for granted again.

A Natural History of the Atmosphere

An Ocean of Air

a natural history of the atmosphere

An ocean of air

A profile of Antarctica and its indigenous life traces the history of regional exploration and the science currently being conducted there while explaining how Antarctica reveals key insights into the planet's environmental future.

An Intimate Portrait of a Mysterious Continent

There have been many books about Antarctica in the past, but all have focused on only one aspect of the continent - its science, its wildlife, the heroic age of exploration, personal experiences or the sheer awesome beauty of the landscape- but none have managed to capture the whole story, until now.Gabrielle Walker, author, consultant to New Scientist and regular broadcaster with the BBC has written a book unlike any that has ever been written about the continent. Antarctica weaves all the significant threads into an intricate tapestry, made up of science, natural history, poetry, epic history, what it feels like to be there and why it draws so many different kinds of people back there again and again. It is only when all the parts come together that the underlying truths of the continent emerge. Antarctica is the most alien place on Earth, the only part of our planet where humans could never survive unaided. It is truly like walking on another planet. And yet, in its silence, its agelessness and its mysteries lie the secrets of our past, and of our future.

An Intimate Portrait of the World's Most Mysterious Continent

The acclaimed science writer presents a wide-ranging exploration of Antarctica’s history, nature, and global significance in this “rollicking good read” (Kirkus). From the early expeditions of Ernest Shackleton to David Attenborough’s documentary series Frozen Planet, the continent of Antarctica has captured the world’s imagination. After the Antarctic Treaty of 1961, decades of scientific research revealed the true extent of its many mysteries. Now former Nature magazine staff writer Gabrielle Walker tells the full story of Antarctica—from its fascinating history to its uncertain future and the international teams of researchers who brave its forbidding climate. Drawing on her broad travels across the continent, Walker weaves all the significant threads of life on the vast ice sheet into a multifaceted narrative, illuminating what it really feels like to be there and why it draws so many different kinds of people. She chronicles cutting-edge science experiments, visits to the South Pole, and unsettling portents about our future in an age of global warming. “We are all anxious Antarctic watchers now, and Walker's book is the essential primer.”—The Guardian, UK

Did the Earth once undergo a super ice age, one that froze the entire planet from the poles to the equator? In Snowball Earth, gifted writer Gabrielle Walker has crafted an intriguing global adventure story, following maverick scientist Paul Hoffman’s quest to prove a theory so audacious and profound that it is shaking the world of earth sciences to its core. In lyrical prose that brings each remote and alluring locale vividly to life, Walker takes us on a thrilling natural history expedition to witness firsthand the supporting evidence Hoffman has pieced together. That evidence, he argues, shows that 700 million years ago the Earth did indeed freeze over completely, becoming a giant “snowball,” in the worst climatic catastrophe in history. Even more startling is his assertion that, instead of ending life on Earth, this global deep freeze was the trigger for the Cambrian Explosion, the hitherto unexplained moment in geological time when a glorious profusion of complex life forms first emerged from the primordial ooze. In a story full of intellectual intrigue, we follow the irascible but brilliant Hoffman and a supporting cast of intrepid geologists as they scour the planet, uncovering clue after surprising clue. We travel to a primeval lagoon at Shark Bay in western Australia, where dolphins cavort with swimmers every morning at seven and “living rocks” sprout out of the water like broccoli heads; to the desolate and forbidding ice fields of a tiny Arctic archipelago seven hundred miles north of Norway; to the surprising fossil beds that decorate Newfoundland’s foggy and windswept coastline; and on to the superheated salt pans of California’s Death Valley. Through the contours of these rich and varied landscapes Walker teaches us to read the traces of geological time with expert eyes, and we marvel at the stunning feats of resilience and renewal our remarkable planet is capable of. Snowball Earth is science writing at its most gripping and enlightening.

The Story of a Maverick Scientist and His Theory of the Global Catastrophe That Spawned Life As We Know It

David King

We all know that global warming is a problem, but the blizzard of information and misinformation on the subject makes it hard to know what to do. The Hot Topic is the first book to set out the problems and the solutions in a straightforward way - no hidden agenda, no breast-beating, no hair shirts. Science - how the climate is already changing and what the future is likely to bring Adaptation - preparing for the changes we can't stop Technological solutions - new, clean ways to live, travel and keep the lights on Political solutions - the inside track on what it will take to bring the whole world to the same negotiating table, and how to deal with the 'problem' countries - China, India, Russia and the US Personal and local solutions - what you can do and why it will make a difference

How to Tackle Global Warming and Still Keep the Lights On

The Hot Topic

Did the Earth once undergo a super ice age, one that froze the entire planet? A global adventure story and a fascinating account of scientist Paul Hoffman's quest to prove his maverick 'Snowball Earth' theory, this is science writing at its most gripping. In SNOWBALL EARTH, Gabrielle Walker takes us on a thrilling natural history expedition in search of supporting evidence for the audacious theory which argues that the Earth experienced a climatic cataclysm 600 million years ago that froze the entire planet from the poles to the equator. Because the global snowball happened so long ago the ice has now long gone - but it left its traces in rocks around the world and in order to see the evidence, Walker visited such places as Australia, Namibia, South Africa and Death Valley, USA. Part adventure story and part travel book, it's a tale of the ultimate human endeavour to understand our origins.

Gabrielle Walker

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