Environmental Topic Center

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Environmental news and information, with emphasis on fish passage and protection, greenhouse gases, water quality and sedimentation, and reservoir management.

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Latest Environmental News

Welsh capital seeks 400-kW Radyr Weir hydro project for 19th century weir

09/29/2014

The City of Cardiff Council invites expressions of interest to construct the 400-kW Radyr Weir hydropower project utilizing a 19th century weir owned by the Welsh capital city.

R&D Forum

09/26/2014

Research reports and study findings related to hydropower

Tech Briefs

09/26/2014

Collection of articles related to hydropower technology

Defining and Implementing Shoreline and Recreation Management Goals

09/26/2014

Managing multiple challenges with regard to shoreline and recreation management

Area hydro projects shut down, endangered by California fire

09/26/2014

Several hydropower projects in California's Sierra Nevada shut down temporarily due to danger from a giant California wildfire but no major damage was reported to hydro facilities.

No Ordinary Fish Tale: Design-Build of a New Powerhouse for Lower Baker

09/26/2014

Adding a new 30-MW powerhouse at Lower Baker to improve fish passage

Tajikistan seeks engineering, implementation consultants to refurbish 126-MW Kayrakkum hydro project

09/24/2014

Tajikistan utility Barki Tojik invites expressions of interest from consultants to provide basic engineering and design, and project implementation consulting for rehabilitation of the 126-MW Kayrakkum hydroelectric project on Tajikistan's Syr Darya River.

U.S. seeks firms for fishway temperature improvements at 810-MW Lower Granite Dam

09/24/2014

The U.S. Army Corps of Engineers seeks information on firms able to build structures to provide fishway temperature improvements at 810-MW Lower Granite Dam on the Snake River in Washington.

Brazil reverses approval of concession auction for 8,040-MW Sao Luiz do Tapajos hydro project

09/18/2014

A day after a complaint by environmentalist lobbying groups, Brazil's mines and energy ministry revoked its approval of a concession auction to develop the 8,040-MW Sao Luiz do Tapajos hydroelectric project on Brazil's Tapajos River.

Firms sought for environmental, engineering work at Corps dams, other sites in Southeast

09/18/2014

The U.S. Army Corps of Engineers seeks information on firms able to perform planning, environmental and engineering services at hydroelectric projects, dams, and other facilities in its Savannah District.

U.S. TVA draws down reservoir for dam safety seismic study of 160-MW Pickwick Landing Dam

09/17/2014

The Tennessee Valley Authority is accelerating the annual drawdown of the reservoir of 160-MW Pickwick Landing Dam in the Southeast United States for a dam safety seismic study.

Corps ups releases at four hydro projects to reduce Missouri River flood risk

09/16/2014

The U.S. Army Corps of Engineers is increasing water releases at the four hydropower projects on the Missouri River to reduce flood risks from heavy late summer rains.

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