Ruth DeFries is a professor of ecology and sustainable development at Columbia University in New York. She uses satellite imagery and field surveys to examine how humanity’s demands for food and other ...

Fertile pockets of dark soil dot the vast Amazon Basin, traces of pre-Columbian settlements. Known as terra preta, they were first created by natives more than 2,000 years ago from charcoal and manure ...

Frontmatter -- CONTENTS -- Prologue -- 1 The Dragons Are Back -- 2 Recovery from a Crash -- 3 Hedges for Bets -- 4 Mind the Net -- 5 One Size Fits No One -- 6 Cycles of Renewal -- Acknowledgments -- ...

The 2024 John R. Mather Visiting Scholars Lecture will be presented from 5-6:30 p.m., Thursday, Nov. 14, at Mitchell Hall. In a talk entitled "Realities of Climate Resilience of Traditional Cereal: A ...

Ruth DeFries (NAS/NAE) is a professor of ecology and sustainable development at Columbia University in New York and co-founding dean of the Columbia Climate School. She uses images from satellites and ...