sequestration

Under a White Sky, by Elizabeth Kolbert

by

Elizabeth Kolbert’s third book is now out! Under a White Sky is “a book about people trying to solve problems created by people trying to solve problems.” These problems are environmental problems – they are instances of nature becoming less natural. As humans build cities and plant crops and make waste, we alter the world … Read more

When the Sturtian happened

by

Last Friday, I spent the evening riding up to New York on a bus. To pass the time, I had my iPod and a new paper by Francis Macdonald and colleagues in Science. The paper examines the timing of one of the episodes of “Snowball Earth” glaciation. There’s some important new data in this paper, … Read more