Satellites reveal hotspots of global river extent change

Rivers are one of the most dynamic components of the water cycle on Earth's surface and play a significant role in the development of human societies, ecosystem sustainability, and regional climate. However, their natural ...

How hydropower dams impact the communities they're built in

Over the last two decades, almost 1,000 hydropower dams have been built around the globe. And while these dams provide many benefits to farmers, wildlife and the climate, the costs of their construction on local communities ...

Ethiopia's controversial mega-dam

Ethiopia's construction of a massive dam on a tributary of the Nile River, which the UN Security Council meets about on Thursday, is raising regional tensions notably with Egypt, which depends on the Nile for 97 percent of ...

Study says Mekong River dams could disrupt lives, environment

The Mekong River, one of the world's largest, traverses six Southeast Asian countries and supports the livelihoods of millions of people. New efforts to provide hydroelectric power to a growing and modernizing population ...

New England's 1816 'Mackerel Year' and climate change today

Hundreds of articles have been written about the largest volcanic eruption in recorded history, at Indonesia's Mt. Tambora just over 200 years ago. But for a small group of New England-based researchers, one more Tambora ...

Dam hard: Water storage is a historic headache for Australia

The agricultural green paper released last week proposes 27 new water and irrigation projects, which the government claims will be necessary for Australia's agricultural expansion. The emphasis is firmly on dams, with federal ...

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