accusations of greenwashing . [ 60 ] Earth Day 2010 Earth Day 2010 coincided with the World People’s Conference on Climate Change , held in Cochabamba , Bolivia , and with the International Year of Biodiversity . See also Holidays portal Earth Charter Earth flag References ^ http://bullitt.org/who-we-are/staff ^ http://therumpus.net/2009/04/the-rumpus-interview-with-denis-hayes/ ^