Reuters: An international goal of providing $100 billion each year by 2020 to help vulnerable countries adapt to climate change impacts and pursue green growth is far off what is needed to achieve a global clean revolution, the U.N.'s top climate change official said on Wednesday.
Christiana Figueres told journalists at U.N. climate talks in Lima that in terms of paying for the efforts needed to shift economies worldwide onto a low-carbon track "$100 billion is frankly a very, very small sum".
"We are...