What can we learn from the end-Triassic mass extinction?

What can we learn from the end-Triassic mass extinction? || “Mass Extinction Easier to Trigger Than Thought” http://ow.ly/5Kk82

Quite possibly the best billboard in history

Quite possibly the best billboard in history || “Coca-Cola Plant Billboard Absorbs Air Pollution” http://ow.ly/5spEe

Coca-Cola (with the World Wildlife Federation) unveiled this billboard in Manila that’s constructed from several thousand tea plants.  It is expected to absorb 46,800 lbs. of carbon dioxide from the atmosphere and while some critics have dismissed it as little more than a marketing gimmick, it is a thought-provoking step in the right direction.