research-home Archives - State of the Planet

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
sea wall

When Is a Sea Wall a Good Idea?

Scientists at Columbia’s Earth Institute are using simulations to test how well different methods protect coastal areas from hurricanes and sea level rise.

by |September 13, 2018

Rooting Out the Errors in Climate Models To Better Predict Hurricanes

By enhancing climate models, a project will help to improve forecasts of intense hurricanes like Hurricane Florence.

by |September 13, 2018

Using Artificial Intelligence To Locate Risky Dams

In the U.S., some 2,000 high hazard dams are in need of repairs. A project from the Columbia Water Center is helping to identify the most hazardous ones.

by |August 23, 2018
climate migrantion

Where Will Future Migrants Come From?

A project that anticipates how people will move in response to environmental changes could help to bolster social and humanitarian support for countries in crisis.

by |August 21, 2018
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
fried egg on pavement heat wave

If You Think This Summer’s Heat Waves Are Bad, Just Wait for the Future

Rising temperatures and humidity could make summers unbearable in the southeastern U.S. and beyond, according to a study published in December.

by |July 17, 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
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

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