CNN Fareed Zakaria GPS February 16, 2014 15:29:00
The good news for china and the world is that beijing seems to be listening. china has promised to spend $280 billion cleaning up its air. looks at this chart from the international energy agency. china's carbon emissions per unit of gdp have dropped by half since the 1990s. massive investments in wind and solar energy mean that china hopes to get 20% of its energy from renewable sources by 2020. the next step is to be open and transparent about how it is progressing on these fronts. but this is a big first move and it should send a signal to other developing countries to stop denying their po...