The Guardian reports: Worldwide greenhouse gas emissions will fall in 2015, researchers have said, in what would mark the first time they have declined while the economy has grown substantially.

Emissions have fallen in previous years but only because of financial crashes, such as the global slump in 2007.

But a decline in coal consumption by China, the world’s carbon juggernaut responsible for more than a quarter of emissions, means global levels are projected to fall 0.6% this year. China’s own emissions are expected to drop 3.9% in 2015, after a decade of rising by nearly 6.7% a year.

The figures, published in the journal Nature Climate Change, will provide a fillip to negotiators from 195 countries entering a second week of climate talks in Paris on Monday.

But the paper’s authors warned the fall may only be temporary and that a switch away from fossil fuels to clean sources of energy needs to be accelerated if dangerous warming is to be avoided. [Continue reading…]