In bid to leave ozone pact, NH says ending emissions tests won’t worsen pollution. Some have doubts.

Earlier this year, the commissioner of the New Hampshire Department of Environmental Services cautioned lawmakers about ...

Cleaner air may be accelerating warming by making clouds less reflective

Earth is reflecting less sunlight, and absorbing more heat, than it did several decades ago. Global warming is advancing ...

Air pollution in Amazon rainforest worse than big cities like London and Beijing, new data shows

The cause of the pollution is largely fires set by humans to clear forest for cattle and pasturelands, according to the peer-reviewed findings ...

Climate-fighting efforts show slight gain but still fall far short, UN says

A new United Nations report finds that global climate plans have barely impacted future warming. The plans, required every ...