France, Spain, Portugal up energy links

France, Spain and Portugal agreed Friday to build an undersea power line in the Bay of Biscay as they up electricity links aimed at helping the Iberian peninsula out of its energy isolation.

How climate change will alter our food

The world population is expected to grow to almost 10 billion by 2050. With 3.4 billion more mouths to feed, and the growing desire of the middle class for meat and dairy in developing countries, global demand for food could ...

Greenhouse gas 'feedback loop' discovered in freshwater lakes

A new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppresses production of methane—while debris from plants found in reed beds actually ...

page 27 from 40