Climate change could worsen China’s already bad ozone pollution problem — but a new study shows that it doesn’t have to be that way.

Scientists often have a disadvantage during vaccine debates. Fortunately, one Facebook group has found a solution.

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.

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

It is time for states to change their laws so that fringe religious objections do not get in the way of protecting the safety of children and people with compromised immune systems.

Equipped with a field testing kit originally developed within Columbia’s Earth Institute, the “Lead-Free Kids Peru” project has tested hundreds of soil samples for the toxic metal — and dug up some startling results in the process.

A new report documents the social, environmental, economic, and health impacts of gold mining in Porgera, Papua New Guinea.

A Columbia team is pioneering a machine learning-based imaging and sorting solution that would help to drastically reduce Africa’s tsetse population.

Research assistant Rachel Alter became a “pro-vaccine troll” so you don’t have to.