Organizers say more than 60 gather in Tibet for climate rally . The People 's Climate March is billed as the largest climate demonstration ever . The People 's Climate March 's Barack Obama says it 's easy for people to write off climate change . ` The Seas Are Rising and But he writes that meeting people at the October 2012 should cause a change of heart .
Organizers say more than 60 gather in Tibet for climate rally . The People 's Climate March is billed as the largest climate demonstration ever . The People 's Climate March 's Barack Obama says it 's easy for people to write off climate change . But he writes that meeting people at the October 2012 should cause a change of heart .