State and local officials have struggled for years to get a handle on ozone, a type of pollutant regulated by the federal government. Ozone levels long appeared to be declining in the ...

Environmental groups are sounding the alarm after the U.S. Department of Agriculture declared more than 100 million acres of ...

New drone technology maps land and water with stunning accuracy, giving researchers and conservationists a new way to understand our planet.

The fight for environmental justice is not just about the environment. It’s also about public health, economic opportunity ...