The first IPCC conference on cities has highlighted the challenges of reconciling science, urban practices and politics. But it was an important recognition of cities' leading role in climate action.
The European Investment Bank's funding of the Trans Adriatic Pipeline will harm the climate and makes little financial sense.
Many thousands, perhaps millions, of lives depend on the direction of Trump's climate policies.
A narrow debate of what countries should pay to respond to climate change obscures a bigger moral discussion that touches on economics, ethics and people's relationship to the natural world.
The sooner nations stop viewing emissions reduction as a burden to be shared, and more as an opportunity to be grasped, the sooner real climate progress will be achieved.