Earth - Environment news

Humans erode soil 100 times faster than nature

A new study shows that removing native forest and starting intensive agriculture can accelerate erosion so dramatically that in a few decades as much soil is lost as would naturally occur over thousands of ...

Jan 07, 2015
3.9 / 5 (21) 9

What's in the grime tarnishing the Taj Mahal?

Every several years, workers apply a clay mask to India's iconic but yellowing Taj Mahal to remove layers of grime and reveal the white marble underneath. Now scientists are getting to the bottom of what ...

Jan 07, 2015
not rated yet 1

Better dam planning strategies

When dams are built they have an impact not only on the flow of water in the river, but also on the people who live downstream and on the surrounding ecosystems. By placing data from close to 6,500 existing ...

Jan 07, 2015
not rated yet 0

Salvaging the ecosystem after salvage logging

After a forest fire burns a large swath across timberlands, logging companies often are not far behind. They come in to do what is called salvage logging—salvaging the timber that has not been completely ...

Jan 07, 2015
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Drought led to massive 'dead zone' in Lake Erie

Lake Erie just can't catch a break. The lake has experienced harmful algal blooms and severe oxygen-depleted "dead zones" for years, but now a team of researchers led by Carnegie's Anna Michalak and Yuntao ...

Jan 06, 2015
4.8 / 5 (9) 0