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How are humans exposed to these tiny and ubiquitous plastics? And is there anything we can do about it?

The former university trustee was an early leader in data communications and a steadfast supporter of Lamont-Doherty Earth Observatory.

Each year, we honor Earth Day by sharing some amazing photos celebrating the beauty and magic of our planet, as captured by the Columbia community.

Columbia Climate School students in two classes partnered with global communities and gained hands-on experience in sustainability.

Beizhan Yan, an environmental geochemist at the Lamont-Doherty Earth Observatory, has come up with new methods to detect and analyze tiny plastic particles to better understand their impact on human and environmental health.

Seven teams will pursue innovative and collaborative research to address urgent climate challenges around the world.

The last part of our trip was a whirlwind of seeing multiple sites in the Sundarbans mangrove forest and its wildlife, more interviews with villagers, historic and cultural sites and shopping, followed by tearful goodbyes.

Glacial archaeologists are uncovering hundreds of artifacts in Norway, including the best preserved pair of prehistoric skis found to date.

Continuing on our journey, we visited the shrine and former home of Bangladeshi cultural icons, continued our interviews, and boarded a boat to take us to the embanked islands known as polders.

In Bangladesh, a large and growing population lives in one of the most dynamic and sensitive environments on Earth, subject to multiple natural disasters and threatened by climate change.

Desertification is occurring in many parts of the world, including the western U.S., Brazil, most of Europe, Asia and central Africa. Is it too late to reverse it?

Much research focuses on people fleeing climate risks and natural hazards. What about those who can't move?