A new report shows air pollution threatens the majority of the world’s population, while information gaps increase the risks.

Do you know how many super polluters are on your doorstep? A first-of-its kind tool, from a group backed by former vice president and climate activist Al Gore, wants to show you just that. And the ...

This screenshot of the Climate TRACE tool shows where pollution is generated and how it moves across the Pittsburgh region. The team behind the pollution-monitoring tool Plume Pittsburgh is taking its ...