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As glacial cliffs break off and destabilize frozen landscapes, glaciologist Richard Alley focuses on the fractures. The work could improve predictions about future sea-level rise.
Scientists have been chasing the dream of harnessing the reactions that power the Sun since the dawn of the atomic era. Interest, and investment, in the carbon-free energy source is heating up.
The wet landmasses, though inherently impermanent, have been essential to both people and wildlife for thousands of years. But recent shifts have brought on some rapid losses that worry scientists.
PODCAST: A report to the US president sounded an alarm — humankind was ‘conducting a vast geophysical experiment’ by burning fossil fuels and filling the atmosphere with an ‘invisible pollutant.’ But a slick campaign by Big Oil led to confusion, politicization and dire consequences for the planet. (Season 3, Episode 1)
Ecologist Sandy Milner has traveled to Alaska for decades to study the development of streams flowing from melting glaciers. He’s seen insects move in, alders and willows spring up, and spawning fish arrive in thousands.
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.
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
Global warming and agricultural runoff have driven the loss of oxygen in oceans around the world, with looming ecological consequences.
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