A chronological guide to key talks and other events at the Dec. 9-13 American Geophysical Union meeting in San Francisco.

Typically only shallow wells have arsenic problems, but in an area of India and Bangladesh, deep wells are highly contaminated. Scientists are starting to learn why.

As a teenage radio journalist in Zambia, Kaoma helped communities voice their environmental concerns. Now he’s a graduate student in Environmental Science and Policy.

The center focuses on developing better batteries as well as other energy storage options, which are key to a future fueled by renewable energy.

The network, open to all members of the Columbia community, will explore communications solutions to the challenges of climate change and sustainability.

This summer, the Summer Ecosystem Experiences for Undergraduates gave students an in-depth look at the food systems in and around NYC.

This year’s Open House attracted more than 3,000 visitors and, just like research at Lamont, covered a vast range of subjects and regions, from under the sea to the surface of the moon.

Riyana Razalee, a current student in the MS in Sustainability Management program, is building from the ground up a career in agriculture and food systems.

Visit us in Palisades, NY, for hands-on, family-friendly science activities and lectures — including a new panel that will address the challenges of reporting the climate story.

Individual efforts to reduce carbon emissions could, in fact, go a long way in making a difference.