[Kevin Sharpe]

About $1.6 trillion is invested annually in the global energy supply, but while that represents a doubling of investment since the turn of the century, the amount needs to rise to $2 trillion if the world is to limit global warming to no more than 2C of temperature rises, the energy thinktank said.

http://www.theguardian.com/environm...ving-fast-enough-on-renewable-energy-says-iea