Economic losses caused by drought in China will rocket to tens of billions of dollars per year if global warming breaches the limits set by governments in a 2015 agreement to tackle climate change, scientists said.
Under the Paris climate pact, almost 200 nations agreed to limit global temperature rise to "well below" 2 degrees Celsius (3.6 degrees Fahrenheit) above pre-industrial times, and pursue efforts to keep it to 1.5 C (2.7 F).
The planet has already heated up by about 1 C.