Evolution of Alpine landscape recorded by sedimentary rocks

Rock avalanches and torrents started to form V-shaped valleys in the Swiss Alps approximately 25 million years ago. This landscape contrasts to the flat and hilly scenery, which characterized the Alps a few millions of years ...

EPA allows mine company to pursue permits near Alaska bay

In a sharp reversal, the U.S. Environmental Protection Agency has cleared a way for the company seeking to develop a massive copper and gold deposit near the headwaters of a world-class salmon fishery in southwest Alaska ...

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