Climate change: How can governments avert “Hothouse earth”? 

It sounds like the title of a disaster movie, but a “Hothouse Earth” is what a group of climate scientists say we could be heading for – even if current carbon reduction targets are met.

Researchers from Sweden and Australia predict that in centuries to come global temperatures could increase by up to 5 degrees on the preindustrial average and this would lead to a drastic sea level rise of anything between 10 and 60 metres.

Johan Rockström, a professor in Environmental Sciences at Stockholm University and co-author of the new report and Tessa Khan, co-director of the Climate Litigation Network, debate.