There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century,

There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century,

There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century,

“Tells the story . . . of how ‘natural philosophers’ developed the ideas of geology accepted today . . . Fascinating.” —San Francisco Book Review Eart

Mammoths and dinosaurs, tropical forests in northern Europe and North America, worldwide ice ages, continents colliding and splitting apart, comets and asteroid