Usa Feature Package Earth Day

epa02118971 A tractor passes by a wind farm that was built to provide power to the town south of Greensburg , Kansas , USA , 13 April 2010 .  Greensburg was destroyed by a tornado in May 2007decided to rebuild as a green town powered by renewable energy sources . Earth Day is celebrated around the world annually on 22 April to inspire awareness ofappreciation for the earth ' s environment . On Earth Day individuals as well as environmental groups take action to raise awareness ofpolitical attention to environmental issues such as pollution , global warmingclimate change , to encourage public endeavour for a clean environment . Earth Day which was founded by by U . S . Senator Gaylord Nelson as an environmental teach-in in 1970 celebrates its 40th anniversary in 2010 .  According to the official website : ' Earth Day 2010 can be a turning point to advance climate policy , energy efficiency , renewable energygreen jobs . '  EPA/LARRY W . SMITH