Melting ice caps are exposing more of the Arctic Ocean than ever before. The US moves to halt fishing in the newly ice-free zones even before a fishing industry blossoms there.
Recycling program turns an environmental hazard into electricity.
A swirling 'soup' of tiny pieces of plastic has been found in the Atlantic Ocean, and something similar may be present in other ocean areas as well.
Sunspot cycle beginning in 2012 may put satellites, power grids at risk.