Food systems researcher Jessica Fanzo offers tips for a more environmentally friendly holiday.

The ability of farmworkers to cultivate major crops including rice and maize may be compromised if climate trends continue.

To enhance New York City’s services, local government must focus on management rather than politics and substance and outcomes rather than image and public relations.

Botanist and climate scientist Dorothy Peteet has been in the business digging deep into bogs, marshes and fens for more than 40 years, revealing natural and human histories going back thousands of years, and their role in changing climate. A final frontier: the obscure remains of New York City’s once widespread coastal wetlands.

Advanced weather-forecasting tools and techniques, like those developed at Columbia Climate School’s International Research Institute for Climate and Society (IRI), can help key stakeholders in Africa prepare for the worst.

The Fifth National Climate Assessment was released today. The message: change is here, but immediate action can avert the worst impacts.

For environmental policy to be effective, it must encourage the transition already underway in many private businesses, focusing on continuous improvement rather than the achievement of symbolic goals, with a broader scope than climate change alone.

A new cataloging system will help better preserve, track and share thousands of tree ring samples from around the globe.

The authors of a new book discuss how urban areas can take climate action without running afoul of state and federal laws.

Drilling into sub-ice deposits left behind during times when the Earth was warmer than today should provide insights into how a massive ice sheet will react to human-induced climate change.