The long and tortuous effort to regulate toxic chemicals in America has now come up against an ironic obstacle: anti-environmental lobbying by the manufacturers of batteries and other renewable energy technologies that rely on toxic substances.

A student’s long and painful journey toward diagnosis and treatment shows the urgent need for chronic Lyme disease awareness and funding.

A Sustainability Management graduate student discusses questions of environmental injustice in Atlanta, Georgia, as one county prepares to turn a large greenspace into a police training facility.

We need to improve the way we regulate the transport, use, and disposal of toxic substances.

Used vehicles serve real needs across Africa, but they also contribute to its public health and environmental problems through crashes and pollution.

In the United States, we need strong pollution control standards that are enforced carefully, precisely, and with a deep understanding of the pace of operational change that is feasible for a particular business or locality.

Columbia researchers are working with the MTA to develop machine learning and traffic models to optimize traffic flow during pandemics.

Switching to cleaner cookstoves can save lives, cut carbon emissions, and promote gender equality. At COP27, world leaders should take steps to ensure universal clean cooking access by 2030.

Even if pollution goes down and climate change is slowed, deaths from air pollution in some regions may still rise.

Banning gas connections in new buildings would have significant health benefits, in addition to helping to curb climate emissions.