Mashable: In a rare move, United Nations Secretary-General Ban Ki-moon will join the more than 100,000 protesters expected to gather in New York on Sunday to push for countries to take action against manmade global warming.
The "People's Climate March" comes just two days ahead of a climate summit that Ban is leading in New York, where more than 120 heads of state, as well as business leaders and members of civil-society organizations are expected to discuss plans for a new global warming treaty.
The...