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Climate Change

Illustration shows a family comfortable in their house with a heat pump unit outside.
Technology

How heat pumps of the 1800s are becoming the technology of the future

Innovative thinking has done away with problems that long dogged the electric devices — and both scientists and environmentalists are excited about the possibilities

Photograph of colorful wooden houses with a bay in the background and mountains on the far shore. Chunks of ice are floating in the water.
Physical World

The race against radon

Scientists are working to map out the risks of the permafrost thaw, which could expose millions of people to the invisible cancer-causing gas

Photograph of a lakeshore fringed with trees as the sun sets, with lights gleaming out from a few houses.
Food & Environment

Leaning into Indigenous knowledge on climate change

Native peoples attuned to the natural world have long collected detailed environmental information. Now scientists are cataloging these observations and learning how they’re affecting Indigenous communities globally.

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