Vamsi Ganti, University of California Santa Barbara
Millions of people around the world live on river deltas and are vulnerable when those rivers shift direction. A new study shows why and where these events, called avulsions, happen.
Lake Powell’s water level has been falling amid a two-decade drought. The white ‘bathtub ring’ on the canyon walls marks the decline.
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A draft plan for Sydney’s water supplies includes expanding desalination and potentially adding highly treated sewage to drinking water. All options must be on the table as the climate warms.
Floods across the world this year cost hundreds of lives and millions of pounds in damages.
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Salmon migrate thousands of miles from inland streams to the ocean and back. The newly enacted infrastructure bill includes funding to help salmon and other wild species on their way.
Herat is home to an India-built dam that provides water for drinking, irrigation and bathing for much of western Afghanistan. If the Taliban control that water, they control the population.
Constructing barge canals took a massive investment that didn’t pay off.
New York State Archives
The lasting problems of infrastructure aren’t of need or construction, but of overbuilding, delayed costs and the challenges of thinking ahead.
A lot of coastal infrastructure wasn’t designed for the frequent flooding and crashing waves brought by rising seas.
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New research published in the journal Nature reveals that more than 1.2 million flow barriers exist on European rivers and that approximately 10% are obsolete.
Chief Executive Officer, Australian Centre for International Agricultural Research; Professorial Fellow, Fenner School for the Environment and Society, Australian National University