Zuckerberg, Gates and other tech titans form clean energy investment coalition

The Breakthrough Energy Coalition includes Microsoft co-founder Bill Gates, Facebook co-founder Mark Zuckerberg and Virgin Group head Richard Branson

Billionaires Bill Gates, Mark Zuckerberg, Richard Branson and other high-profile entrepreneurs have pledged to spark a "new economic revolution" based around clean energy after launching a new investment drive for renewables.

The Breakthrough Energy Coalition, made up of more than 25 investors from 10 countries, launched in Paris on Monday as part of the UN talks where nations are thrashing out an agreement to finally confront the issue of runaway climate change.