Paris climate aim 'still achievable'
The 2015 Paris agreement's ambitious goal of limiting global warming to 1.5C remains within reach, a study suggests. The study is one of several to address the "carbon budget", which - among other things - determines how much CO2 the planet can emit and still reach a given limit for global warming.It indicates the 2015 target, perceived by some as tough, could be met with very stringent emissions cuts.It used computer models that project climate behaviour into the future.What is climate change?What is in the Paris climate agreement?The aim of the Paris deal was "holding the increase in global average temperature to well below 2C above pre-industrial levels and pursuing efforts to limit temperature increase to 1.5C."But scientists admit they were taken by surprise by the ambition of the 1.5...