Associated Press: Japan will push for an easier target for reducing greenhouse gases in the next international pact on global warming than in the previous one, a top bureaucrat said Monday. The Kyoto global warming pact requires nations to cut emissions below 1990 levels, but critics say that is too difficult because emissions in many countries have risen dramatically since then. Instead, Japan will push to set the base year for 2005 in an agreement that is meant to take effect when Kyoto …