Earth - Environment news

Tech reliant on finite metal sources

(Phys.org) —Many of the metals needed to feed the surging global demand for high-tech products, from smart phones to solar panels, cannot be replaced, leaving some markets vulnerable if resources become ...

Dec 03, 2013 4.4 / 5 (14) 1 | with audio podcast

How do you feed 9 billion people?

An international team of scientists has developed crop models to better forecast food production to feed a growing population – projected to reach 9 billion by mid-century – in the face of climate change.

Jun 09, 2013 3.8 / 5 (30) 191 | with audio podcast

Fracking risks to ground water assessed

(Phys.org) —Extraction of "unconventional" gas from sedimentary rocks such as shale could provide a clean energy source and help some regions to become energy independent, but concerns have been raised ...

May 17, 2013 3.7 / 5 (26) 51 | with audio podcast weblog