Surfing Tags / Dams

Sediment Trapped Behind Dams Makes Them ‘Hot Spots’ for Greenhouse Gas Emissions

The large reservoirs of water behind the world’s 50,000 large dams are a known source of methane. Methane has a warming effect 25 times more powerful than carbon dioxide. That knowledge led to questions about hydroelectric power’s image as a green and nonpolluting energy source.

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Removal of Veazie Dam Begins on Maine’s Penobscot River

Erosion, News
Jul
23

Removal of the Veazie Dam begins on Maine’s Penobscot River, one of the most significant river restoration projects in our country, and a wonderful example of collaboration and “win-win” solutions for the environment and economy.

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Pakistan’s Coast And Encroaching Seas

Encroaching seas are leaving farmland increasingly saline and water-logged, and leading to a decline in fresh water fish stocks. These trends are being studied by the World Wide Fund for Nature Pakistan (WWF-P) which is in the middle of a five-year project to build climate change resistance on Pakistan’s coastline, where communities are vulnerable to cyclones, rising sea levels and storm surges.

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Are Humans Responsible for the Himalayan Tsunami?

Erosion, News
Jun
28

For years, a booming tourist industry, made possible by thousands of illegally constructed guesthouses, has spawned massive hydroelectric power projects on the rivers, while other infrastructure development designed to accommodate hoards of visitors has proceeded at a steady clip, putting undue stress on this fragile ecological zone.

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California’s Biggest Dam Removal Project in History Begins in Carmel Valley

Erosion, News
Jun
22

Today marks a historic event for California rivers: the launch of the biggest dam removal project in state history. This project demonstrates the art of the possible…

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Small Dams On Chinese River Harm Environment More Than Expected, study finds

Erosion, News
May
30

A fresh look at the environmental impacts of dams on an ecologically diverse and partially protected river in China found that small dams can pose a greater threat to ecosystems and natural landscapes than large dams.

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Largest Dam in State History Torn Down, California

Erosion, News
May
21

Monterey County supervisors gave their OK for the largest dam removal project in state history. The San Clemente Dam is eighteen miles from the coast in the Carmel Valley.

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World’s Tallest Dam Approved by Chinese Environmental Officials

Erosion, News
May
17

Chinese environmental authorities have approved construction plans for what could become the world’s tallest dam, while acknowledging that the project would affect endangered plants and rare fish species…

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Relief for a Parched Delta

Erosion, Inform
Apr
17

Thanks to dams that throttled the Colorado and diverted its water to fuel the rise of the American West, the river has effectively ended at the Mexican border. The Colorado delta, once a lush network of freshwater and marine wetlands and meandering river channels and a haven for fish, migrating birds and other wildlife, is largely a parched wasteland.

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