climate matters

News from the Columbia Climate Center on the science and impacts of climate change on society as well as environmental public policy analysis.

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The Undermining of Climate Science

The election of Donald Trump has climate scientists concerned about its implications for U.S. environmental policies and worldwide efforts to curb the effects of climate change. Many fear that climate science under Trump could be strategically undermined in a variety of ways.

by |December 9, 2016
Donald Trump

Climate Change Under Trump: A Q&A with Michael Gerrard

For those who favor strong action on climate change, the election of Donald Trump is creating plenty of anxiety and concern. Will Trump set our efforts to curb climate change back? How can those who are concerned about climate change best fight back?

by |November 15, 2016
Sea  ice near the east coast of Greenland. All forms of ice in the Arctic are in rapid decline. (Margie Turrin/Lamont-Doherty Earth Observatory)

Red Flags Over the Arctic’s Future

A new white paper reviews climate impacts already underway in the Arctic, and examines further changes expected to take place even if the world meets the goals of the Paris Agreement. It will be presented today at a meeting at the White House of national-level science ministers and advisors from around the world.

by |September 28, 2016
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NYC’s Public-Private Partnerships to Fight Climate Change

New York City’s Carbon Challenge is helping to foster public-private partnerships that are crucial in any city’s attempt to combat climate change.

by |March 30, 2016
Boundary Dam Power Station, Saskatchewan. Image courtesy of SaskPower

Questioning Carbon Capture and Storage

With billions of dollars around the world being invested into carbon capture and storage, often in the energy sector, there are compelling questions to ask about when, where and for what purpose we use this technology.

by |March 14, 2016
The climate agreement is adopted.

Understanding the Paris Climate Accord and Its Implications

On Saturday, Dec. 12, 2015, 195 countries reached a history-making agreement to reduce their greenhouse gas emissions in order to avert the direst effects of climate change. Here are some of the best and most reliable resources to help you understand the Paris accord and its implications.

by |December 15, 2015
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The Changing Climate of Security

In the November Democratic presidential primary debate, Sen. Bernie Sanders said that the greatest threat to national security was climate change. But is there actually a link between national security and climate change, and if so, what is it?

by |December 9, 2015
NASA's supercomputer model created this simulation of carbon dioxide in the atmosphere.
Photo: NASA/GSFC

Six Tough Questions About Climate Change

People often ask certain tough questions about climate change— about the costs of cutting carbon emissions, the feasibility of transitioning to renewable energy, and whether it’s already too late to do anything about climate change. Laura Segafredo, manager of the Deep Decarbonization Pathways Project, answers these questions.

by |November 30, 2015
Kayaktivists greet Shell's Arctic Drilling Rig in the Port Angeles, Washington.

Alaska: Hotspot for Oil and Climate Change

In September, Shell Oil abandoned its offshore oil drilling projects in the Alaskan Arctic. Why is Arctic drilling so controversial and what impacts will Shell’s announcement have?

by |November 12, 2015
The difference in average surface temperatures from 1970-79 (bottom) to 2000-09 (top) due to global warming. Photo: NASA

The Paris Climate Change Conference – What You Need to Know

The United Nations Climate Change Conference, meeting in Paris from Nov. 30 to Dec. 11, brings together world leaders to craft a new international agreement to keep the average global temperature rise below 2°C by 2100. Here’s what you need to know about it.

by |November 11, 2015