Xinhua: A team of U.S. researchers published the first global satellite maps of the key greenhouse gas carbon dioxide in Earth’s mid-troposphere, an area about 8 kms above Earth, the U.S. space agency NASA reported Friday. The team’s study reveals new information on how carbon dioxide, which directly contributes to climate change, is distributed in Earth’s atmosphere and moves around our world. The team, led by Moustafa Chahine of NASA’s Jet Propulsion Laboratory, found the …