The Antarctic ozone hole in October 2016.

Despite a ban on chemicals like chlorofluorocarbons, the ozone hole over Antarctica remains nearly as large as it did when the Montreal Protocol was signed in 1987. Scientists now warn of new threats to the ozone layer, including widespread use of ozone-eating chemicals not covered by the treaty.

By Fred Pearce

E360 Video Contest Winner

Island in the Fires: A Forest Sanctuary for Orangutans Hangs On

The winner of the 2017 Yale Environment 360 Video Contest explores how logging and prolonged fire seasons on the island of Borneo are menacing the world’s largest population of orangutans as well as other endangered primates. 

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Environmentalist Paul Hawken believes that to motivate action on climate change, the focus needs to be on solutions rather the problem. And, he says, those solutions – from changing the type of refrigerants used to reducing food waste – are already here. 

By Diane Toomey

Biodiversity

Should Genetic Engineering Be Used as a Tool for Conservation?

Researchers are considering ways to use synthetic biology for such conservation goals as eradicating invasive species or strengthening endangered coral. But environmentalists are worried about the ethical questions and unwanted consequences of this new gene-altering technology.

By Richard Conniff

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