A century or two from now, people may look back at our current era — with its record-breaking high temperatures year after year, rapid disappearance of Arctic sea ice, and gradually rising sea levels — as part of a much cooler and far more desirable past.

Pope Francis has warned history will judge world leaders who do not act as he blasted climate change sceptics in the wake of Hurricanes Irma and Harvey.

The rapid growth of digital data has been a boon to researchers and conservationists.

"We are still in." On June 5, with these four words a group of U.S. businesses and investors with a combined annual revenue of $1.4 trillion sent a powerful message to the world

No single person could hope to count the world’s trees.

As the Trump administration keeps moving aggressively to roll back environmental protections, it has a potent legal weapon — the scores of federal judges that President Trump will be appointing, most of whom are expected to hold anti-regulatory, pro-business views.

Coastal deltas are becoming more at risk of flooding due to land subsidence, or the gradual sinking of the Earth’s surface, and sea-level rise.

I first become interested in zero energy buildings in 2003.

Vast quantities of methane hydrates — frozen deposits of natural gas found on the sea floor — exist worldwide.

How can cities ensure that new actions being taken to mitigate climate change don’t negatively affect broader issues of equity?