Reply To: Past suggests rising CO2 may transform earth


New paper in Nature relates rising greenhouse gas levels – including CO2 – to warming earth: saying they caused rise globally, rather than followed it. Nature news item on this includes:

by analysing data gathered from 80 locations around the world, Jeremy Shakun, a palaeoclimatologist at Harvard University in Cambridge, Massachusetts, and his colleagues have shown that at the global level, warming followed CO2 increases. The team used seven different records of past temperature, including ice cores, ancient pollen and the chemical composition of fossilized microscopic life.

How carbon dioxide melted the world