Indo-Asian News Service: Global levels of atmospheric carbon dioxide, the primary driver of climate change, increased by 0.6 per cent or 19 billion tonnes last year. Additionally methane rose by 27 million tonnes after nearly a decade with little or no increase. National Oceanic And Atmospheric Administration (NOAA) scientists released these and other preliminary findings as part of an annual update on agency’s greenhouse gas index, which tracks data from 60 sites worldwide. The burning of coal, oil …