global warming
Climate sensitivity to carbon dioxide more limited than extreme projections, research shows | Science Daily
“… A new study suggests that the rate of global warming from doubling of atmospheric carbon dioxide may be less than the most dire estimates of some previous studies — and, in fact, may be less severe than projected by the Intergovernmental Panel on Climate Change report in 2007…”
via Climate sensitivity to carbon dioxide more limited than extreme projections, research shows.