Rising global emissions of some chlorine-containing chemicals could slow the progress made in healing the ozone layer.

In a development that has important implications for conservation, scientists are increasingly focusing not just on what species are present in an ecosystem ....

In the arid far-western region of South Africa is a vast flatland covered with white quartzite gravel known as the Knersvlakte — Afrikaans for "Gnashing Plain" — because it sounds like grinding teeth when you walk across it.

One could never accuse Salesforce founder and CEO Marc Benioff of being shy about social and environmental causes.

The increase in forest fires, seen this summer from North America to the Mediterranean to Siberia, is directly linked to climate change, scientists say.

New Zealand's forest used to be home to millions of kiwi. Now there are only 68,000 left.

At the International Seabed Authority’s ocean-side headquarters, delegates from dozens of countries strolled through breezeways adorned with the works of Jamaican artists as the United Nations-chartered organization’s annual meeting began its second week.

As recently as the 1980s, gray seals effectively were extinct on Cape Cod.

In the days after President Donald Trump’s announcement to withdraw from the Paris Climate Agreement, more than 1,200 cities, states, universities, and corporations declared, "We are still in."

Did the Montreal Protocol fix the ozone hole? It seemed so.