Earth - Environment news

Landmark fracking study finds no water pollution

The final report from a landmark federal study on hydraulic fracturing, or fracking, has found no evidence that chemicals or brine water from the gas drilling process moved upward to contaminate drinking water at one site ...

Sep 16, 2014 5 / 5 (5) 0

Study ties groundwater to human evolution

Our ancient ancestors' ability to move around and find new sources of groundwater during extremely dry periods in Africa millions of years ago may have been key to their survival and the evolution of the human ...

Sep 10, 2014 4.8 / 5 (5) 2

Sunlight, not microbes, key to CO2 in Arctic

The vast reservoir of carbon stored in Arctic permafrost is gradually being converted to carbon dioxide (CO2) after entering the freshwater system in a process thought to be controlled largely by microbial ...

Aug 21, 2014 3.7 / 5 (6) 0