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The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.

The Energy Star program has saved Americans more than a half-trillion dollars in energy costs and has reduced climate pollution. Now the Trump administration wants to eliminate or privatize it.

Media Lab participant, Davien Landrau, interviews Nicholas Day, author of "A World Without Summer" and "The Mona Lisa Vanishes."

Two authors argue that teachers should embrace controversial issues to help students learn the political process. But, they say, context is key.

From 100,000 cases a day in September, India is now down to about 10,000 a day. Is it climate? Demographics? Mask mandates? Scientists are looking for answers.

The northernmost reaches of Somerset County in Maine could become one of the last strongholds of syrup production in New England.

Drought conditions exacerbated by climate change is forcing tough choices for the water-starved regions of southwest Colorado, where farmers count on irrigated lands for farming and industry.

A 30-year, nationwide study of ecological changes — including the effects of climate warming — has been releasing a powerful greenhouse gas, and critics want it to stop.

A special counsel will probe President Biden's potential mishandling of classified documents. the West sends more weapons to Ukraine. And, a new law could help governments prepare for extreme weather.

Fog harvesting has long been a method of collecting water around the world. As climate change makes water harder and harder to find, technology is making it easier to pull water from the air.