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.

Adam Levy • knowable
Jan. 13, 2021 ~16 min

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.

Carrie Arnold • knowable
Nov. 11, 2020 ~12 min

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.

M. Mitchell Waldrop • knowable
Oct. 1, 2020 ~27 min

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

Betsy Mason • knowable
Sept. 16, 2020 ~15 min

Quest to secure the world’s vanishing ice

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

David Adam • knowable
May 28, 2020 ~14 min

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.

Wudan Yan • knowable
April 23, 2020 ~13 min

Out of Antarctica, churnings of climate change

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

Anil Ananthaswamy • knowable
Feb. 25, 2020 ~22 min

Why green energy finally makes economic sense

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

Bob Holmes • knowable
Jan. 14, 2020 ~11 min

The iron ocean

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

Emily Underwood • knowable
Dec. 19, 2019 ~25 min

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.

Adam Levy • knowable
Dec. 7, 2019 ~15 min

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