Agence France-Presse: President Barack Obama launched his push for a green energy revolution and to pass historic climate change legislation, making his pitch from a wind energy factory on Earth Day. Obama argued in Iowa, the state that set him on the road to the White House, that bloated US energy consumption was inflicting an unacceptable cost on the economy and the climate, as his top environmental officials lobbied Congress. “The American people are ready to be part of a mission,” Obama said at …