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Climate Change

The dazzling history of solar power

PODCAST: Once fringe and futuristic, this renewable energy shines brightly today as a cheap and efficient source of energy. Still, it remains controversial ­— for much different reasons. (Season 1/Episode 3)

Rising to meet the tide

As the threat of coastal flooding grows, scientists are responding with an inundation of data. Faster and more accurate forecasts can save lives and property.

Rethinking recycling

VIDEO: Diverting recoverable materials helps keep trash from overwhelming landfills, but the industry still faces many challenges. Consumer education, innovative technologies and turning wastes to energy can help manage the rubbish problem.

Recycling meets reality

Modern industry has made great strides in turning trash into tomorrow’s new products, but the process is still a long way from perfect. New technologies can help. Plus, updates on chemical recycling, design for recycling and dirty recycling.

Why solar geoengineering should be part of the climate crisis solution

The controversial technology of reflecting sunlight away from the planet could help blunt the worst impacts of climate change

Quest to secure the world’s vanishing ice

Glaciologists dream of a cold-storage vault in Antarctica to preserve key samples of the paleoclimate

Pollution evolution: The little fish that could

Where other species succumbed, the killifish survived contaminated habitats. It’s a finding that could help researchers understand environmental risk factors for humans.

Out of Antarctica, churnings of climate change

The interplay of carbon dioxide, winds and Southern Ocean waters could be reaching an environmental tipping point

Why green energy finally makes economic sense

Solar and wind generators have suddenly become just as cheap as other ways to produce electric power

The iron ocean

Through dust, not rust, the metal plays a complex, controversial role in Earth’s climate

The tricky task of tallying carbon

To slow or stop global warming, the world agrees it must cut carbon dioxide emissions. But monitoring each nation’s output of greenhouse gases is not always straightforward.

What are fire whirls? | Things to Know

VIDEO: Researchers examine the behavior of these tornado-like fire columns

A world in a bottle of water

Revolutionary techniques using traces of environmental DNA are analyzing entire ecosystems “from microbes to whales”

Tiny, living stones of the sea

How limestone-covered algae sway global climate — and how their fate may shift as the oceans acidify

Toward greener plastics

Researchers and companies are working on new kinds of biodegradable packaging, bottles and other products that break down like compost.

As climate changes, so does life in the planet’s soils

To understand what might be lost, ecologist Janet K. Jansson taps molecular methods to explore Earth’s underground microbes, from the permafrost to the grasslands

Will the food of the future be genetically engineered or organic? How about both?

Feeding the planet — now and tomorrow — is no small task. Plant biologist Pamela Ronald says sustainability means using every tool in the toolbox.

Firenadoes and drifting embers: The secrets of extreme wildfires

Researchers probe the weather-like physics of deadly infernos

Looking for economic prosperity without growth

The only way for humanity to solve its environmental problems may be to abandon our quest for continual economic expansion. It’s time to study what a future of degrowth might look like, some researchers say.

A deeper understanding of the Grand Canyon

After 100 years as a national park and eons as a geological wonder, the American icon continues to reveal layers of its past and of the landscape ahead

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