RTCC: A global price of $30 per tonne of carbon dioxide needs to be introduced urgently if the worlds governments are serious about avoiding a 2°C warming target.
Thats the view of Keywan Riahi, Energy Program leader at the International Institute for Applied Systems Analysis in Austria, and one of the authors of a report published today in Nature analysing the potential costs of climate change mitigation.
Riahi told RTCC their research indicates a $30 price signal would give a 60% chance of limiting...