Cities consume more than two-thirds of global energy and account for at least 70 percent of carbon emissions, and that means they have an enormous task ahead of them in the fight against climate change.
The world's poor are being encouraged to take out insurance against climate-related disasters. But as the logic of some schemes unravels, those who profited least from fossil fuels are left paying for their damage.
For 30 years, the Brazilian government has been monitoring the extent of logging in the world's largest rainforest. What began with huge photos on paper is now digital — and yet trees are still being felled.
B.C.'s scattershot approach to helping at-risk species isn't working, say scientists who propose a new but controversial way of prioritizing conservation that comes face to face with the grim realities and ethical dilemmas of making a business case for extinction prevention.