research Archives - Page 2 of 15 - State of the Planet

curbelo carbon tax could dramatically lower carbon emissions compared to current policy

Analysis: Congressman Curbelo’s Carbon Tax Could Dramatically Lower Greenhouse Gas Emissions

Columbia’s Center on Global Energy Policy has analyzed how the proposal would affect the U.S. economy and emissions, as well as low-income households.

by |July 24, 2018
kilauea algae bloom

Columbia Team Helps Investigate Algae Bloom Near Kilauea Eruption

Researchers from the Lamont-Doherty Earth Observatory are exploring how volcanic inputs are influencing ocean health in Hawaii.

by |July 18, 2018
view of africa from space

Pictures Worth a Thousand Words: How Satellite Imagery is Improving Agriculture in Developing Countries

A partnership between two research institutes is helping to promote sustainable land-use practices in African nations.

by |July 18, 2018
wind turbine in sky

With a Carbon Tax, U.S. Could Surpass Paris Climate Goals

New report finds that a moderate carbon tax could dramatically cut greenhouse gas emissions, with only minor effects on the economy.

by |July 17, 2018
Rice farmers in India

In India, Swapping Crops Could Save Water and Improve Nutrition

Replacing some rice with less thirsty crops could help to sustainably feed a rapidly growing population.

by |July 4, 2018
food in ethiopia

Food Web: Trade Networks May Be Key to Solving Hunger

Columbia’s Center for Climate Systems Research is building a network analysis program that can pinpoint trouble spots in the global food trade system.

by |June 28, 2018

Study Signals Change in How Scientists Calculate Ancient Diets

Scientists have long determined what extinct animals ate by analyzing carbon isotopes locked inside their fossil teeth. But a new study shows that in many cases, they may be plugging the wrong numbers into their equations. The findings may change some views of how mammals, including us, evolved.

by |June 27, 2018
nyc water sea level rise

A World Warmer By Just 2°C Will Be Very Different From Today

Past warm periods indicate that even the Paris Agreement’s limits on global warming could have catastrophic consequences over the long-term.

by |June 25, 2018
clouds

Machine Learning May Be a Game-Changer for Climate Prediction

A new study uses machine learning to better represent clouds in climate models, which helps to predict the climate’s response to rising levels of greenhouse gases.

by |June 21, 2018

Researchers Develop an Artificial Intelligence to Analyze Birdsong in a Warming Arctic

A new algorithm quickly sifts through hours of field recordings to learn how climate change influences bird migration. The A.I. could help track other wildlife as well.

by |June 20, 2018