Atmospheric mercury in gaseous form appears to be adding heavily to the load.

Recent research indicates that salt is accumulating in the environment and poses an emerging threat both to ecosystems and human health.

The U.S. EPA is shrinking at the very time we need it to expand, but the environmental functions performed by state, county, and city governments will continue to grow.

Many countries are making progress on improving water sanitation and protecting marine ecosystems. But air pollution continues as a leading health problem in many nations, and fisheries are deteriorating almost everywhere.

Plastic microbeads, common in soap, toothpaste and other consumer products, are flooding waters. A team from Lamont-Doherty Earth Observatory is doing the first large-scale assessment of their impact on New York’s waterways.

A number of national and local governments are tightening environmental regulations and shutting down specific mining projects, or in some cases the entire industry, due to environmental risks, including those related to water use and pollution.

An all-purpose guide for journalists covering disasters, natural and manmade.

Undergraduates from Columbia and Barnard will be able to serve as research assistants on research projects related to sustainable development and the environment with distinguished faculty and researchers at the cutting edge of this burgeoning field.

Earlier this summer, the Securities and Exchange Commission proposed changes to their disclosure requirements for publicly listed mining companies. The Columbia Water Center was among those submitting comments on the proposed new rules.

From late December 2015 through January, a team of Earth Institute scientists and human rights lawyers from Columbia University worked in the highlands of Papua New Guinea to deliver the results of an independent study of water quality and human rights to the indigenous communities living near an industrial gold mine.