drought Archives - State of the Planet

As Temperatures Rise, More California Forests Will Burn

Park Williams and Richard Seager, climate experts at Lamont-Doherty Earth Observatory, discuss why California wildfires are expected to expand and intensify with climate change.

by |September 4, 2019

Longer Summer Stretches of Drought, Extreme Heat and Flooding Expected in a Warming World, Study Says

The changes could affect health, agriculture and ecosystems, the study suggests.

by |August 19, 2019

Scientists See Fingerprint of Warming Climate on Droughts Going Back to 1900

In an unusual new study, scientists say they have detected a growing fingerprint of human-driven global warming on global drought conditions starting as far back as 1900.

by |May 1, 2019

Drought: A Wide-Angle Picture

A new book, the second in a series of primers with the Earth Institute imprint, provides an interdisciplinary overview drought, bringing together many fields including climate science, hydrology and ecology.

by |April 30, 2019
A water reservoir in the Louga region of Northern Senegal.

How Pollution and Greenhouse Gases Affect the Climate in the Sahel

A recent study is the first to show that pollutants and greenhouse gas emissions have directly affected the 20th century evolution of rainfall over a region.

by |March 13, 2019
megadrought is causing lake mead's water levels to fall

Current Megadrought in the West Could Be One of the Worst in History

A 19-year drought in the American West is one of the most severe in the past 1200 years—and climate change is partially to blame, according to new research.

by |December 13, 2018

American Geophysical Union 2018: Key Events From the Earth Institute

The American Geophysical Union fall meeting takes place Dec. 10-14 in Washington, D.C. Here is a guide to key talks and other events from Columbia’s Earth Institute.

by |December 3, 2018

Yes, Climate Change is Making Wildfires Worse

Park Williams, a bioclimatologist at Lamont-Doherty Earth Observatory, has found that rising temperatures influence wildfires in the American West.

by |November 12, 2018

Researchers Say an 1800s Global Famine Could Happen Again

The Global Famine was one of the worst humanitarian disasters in history, killing as many people as World War II. A new analysis suggests it could happen again, only worse because of climate change.

by |October 12, 2018

Using Tree Ring Records to Decode Earth’s Climate History

An interview with Ed Cook, one of the founding directors of the Tree-Ring Laboratory at Lamont-Doherty Earth Observatory.

by |September 27, 2018