Climate Policy Archives - State of the Planet

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

A New Primer on Climate Change

A Q&A with Jason Smerdon, coauthor of the newly revised Climate Change: The Science of Global Warming and Our Energy Future.

by |November 14, 2018

Will Trump’s Environmental Policies Send Us Over Climate Tipping Points?

The Trump administration is attempting to rescind almost all the policies to fight climate change proposed or enacted by the Obama administration. Could this send us over the climate tipping points?

by |October 26, 2018

California Leads on Sustainability Innovation while Trump Digs Coal

California has led the nation and indeed the world on environmental policy for over a half a century.

by |September 4, 2018
james hansen

James Hansen’s Climate Warning, 30 Years Later

Three decades after Hansen first warned Congress about global warming, the overwhelming scientific consensus is that he was right—and most would say that far too little has been done to address the threat.

by |June 26, 2018

Climate Change May Soon Hit Billions of People. Many Cities Are Already Taking Action.

Billions of people in thousands of cities around the world will soon be at risk from climate-related heat waves, droughts, flooding, food shortages and energy blackouts by mid-century, but many cities are already taking action to blunt such effects, says a new report from a consortium of international organizations.

by |June 20, 2018
people live on a raft in Bangladesh's Jamuna River

Climate Migrants Will Soon Shift Populations of Many Countries, Says World Bank

If emissions of greenhouse gases remain high, as many as 143 million “internal migrants” might move within their own countries by 2050.

by |March 19, 2018
Miriam Neilsen

Miriam Nielsen Wants to Share Science with the Masses

Bringing her media background to the MA Climate and Society program, Miriam Nielsen is ready to spark your interest in science and sustainability.

by |March 5, 2018
trump signs orders in oval office

New Tracker Keeps Tabs on Government Attacks on Science

The Silencing Science Tracker, from Columbia’s Sabin Center for Climate Change Law and the Climate Science Legal Defense Fund, will log actions by the U.S. government to silence scientists working on environmental, public health and climate issues.

Rivers Predicted to Jump Banks More Often as World Warms

Rainfall changes caused by global warming will increase river flooding risks across the globe by the 2040s, says a new study.

by |January 10, 2018