Once spring-run chinook salmon disappear, they are not likely to re-emerge, indicates genetic analysis of the revered wild fish in a study led by the University of California, Davis. Prompt conservation action could preserve ...
Ecology
Dec 4, 2018
0
160
Encompassing swathes of Ethiopia, South Sudan and Kenya, the Omo-Turkana Basin is one of the oldest landscapes in the world that is known to have been inhabited by Homo sapiens and is now one of the world's most extraordinary ...
Environment
Nov 28, 2018
4
96
Billions of dollars have been spent on the recovery from Superstorm Sandy to help people get their lives back together, but a little-noticed portion of that effort is quietly helping another population along the shoreline: ...
Ecology
Nov 25, 2018
0
10
Squatting on spongy soil, a climate scientist lays a small cone-shaped device to "measure the breathing" of a peat bog in the northern part of Canada's Quebec province.
Environment
Nov 22, 2018
6
124
Tajikistan on Friday inaugurates a $3.9 billion hydro-electric power plant, a mega project that will enable the impoverished country to eliminate domestic energy shortages and export electricity to Afghanistan and Pakistan.
Energy & Green Tech
Nov 16, 2018
3
22
For sweeping drama, it's hard to beat hydropower from dams—a renewable source of electricity that helped build much of the developed world. Yet five scientists from Michigan State University (MSU) say that behind roaring ...
Environment
Nov 5, 2018
1
109
Decisions about whether to build, remove or modify dams involve complex trade-offs that are often accompanied by social and political conflict. A group of researchers from the natural and social sciences, engineering, arts ...
Environment
Nov 5, 2018
0
15
Before the damming of the Yangtze River in 1981, Chinese sturgeon swam freely each summer one after another into the river's mouth, continuing upriver while fasting all along the way. They bred in the upper spawning ground ...
Ecology
Nov 1, 2018
0
18
Ted Scudder, a social anthropologist and fixture on the Caltech campus for more than 50 years, is one of the world's foremost experts on large dams. He's also one of their fiercest critics. That wasn't always the case though. ...
Environment
Nov 1, 2018
0
12
Calls to breach four hydroelectric dams in Washington state have grown louder in recent months as the plight of critically endangered Northwest orcas has captured global attention.
Plants & Animals
Oct 19, 2018
3
13
