Rich countries agree to reduce their own emissions, but refuse to contribute to a global climate change fund.

“Let every country deal with their own problems,” they say.

In polluting countries, this leads to a patchwork of ineffective solutions like a personal sustainability score to try to get individuals to change their consumption habits, and some agreements allow businesses to buy and trade pollution credits. Some cities are now fully “green”, but others are emitting more than ever.

• Oh, but hold up! You’re getting word of some big news in Greenland.