Today, climate-related processes and problems are referred to as Global Change by nearly everyone including scientists, politicians, and economists; citizens wo

I love it. Earle understands the big climate picture and paints it with exceptional clarity. — JAMES HANSEN, director, Climate Science, Awareness and Solution

“Give[s] . . . policymakers and concerned citizens a more thorough understanding of climate science and renewed conviction . . . on leaving fossil fuels behin

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,

During geologic spans of time, Earth's shifting tectonic plates, atmosphere, freezing water, thawing ice, flowing rivers, and evolving life have shaped Earth's