
While the plastic bag ban can be good for the environment, the policies need to be carefully considered to ensure its effectiveness.

Testifying before a House of Representatives subcommittee, Columbia’s Mike Gerrard suggested ways to the reduce the legal hurdles of building renewable energy projects on public lands.

The rhetoric around vaccination is generally black and white: vaccines are good or vaccines are bad. But now more than ever, it’s important to find ways to communicate across the divide.

A dire new U.N. report highlights the importance of including all life in our pursuit to sustain humanity.

Even though some food is never eaten, the carbon emissions to grow it still end up in the atmosphere. Reducing waste is crucial to fighting climate change.

The future does not belong to the nation that pumps, sells and burns the most fossil fuels.

Some solutions are over 100 times cheaper than others, costing as little as $1 per person.

A show on campus investigates how trees have been used as pawns in human schemes in and around New York City.

A Columbia Water Center staffer answers questions about salinization and water pollution.