Houston Chronicle: If the world is going to truly combat greenhouse gas emissions, China and India have to be part of the fight, the chief economist fir the Paris-based International Energy Agency said today. Fatih Birol told oil and gas executives at the Offshore Technology Conference in Houston that the economies of China and India are growing at such a pace that they’ll keep needing more energy, much of it from coal. Even if Europe cuts emissions by 20 percent in the next dozen years as pledged, he …