Guardian: Keeping temperatures below 1.5C
Governments have agreed to limit warming to 1.5C above pre-industrial levels: something that would have seemed unthinkable just a few months ago. Grand promises of Paris climate deal undermined by squalid retrenchments
There is a scientific rationale for the number. John Schellnhuber, a scientist who advises Germany and the Vatican, says 1.5C marks the point where there is a real danger of serious tipping points in the worlds climate.
The goal of 1.5C is...