Petroleos Mexicanos, the world’s fifth-largest oil company, said this week that it would start a six-month internal effort to cut carbon dioxide emissions 1 percent below 1999 levels, as the first step in a 10-year emissions reduction program. The state-owned Mexican company is the first Latin American firm to say publicly that it would reduce its emissions. Meanwhile, U.S. President Bush is planning to announce some ways the U.S. might reduce its greenhouse gas emissions during meetings next week with European Union leaders. Bush met for an hour (wow!) yesterday with top foreign policy, energy, and environmental officials to discuss climate change. White House spokesperson Ari Fleischer said, “There’s no question that the temperature of the Earth has been rising.”

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