Netflix has a new number one hit. The movie touches politics, the environment, and the role that media play in all this chaos. But there is an untold message we can read between the scenes.

Climate physicist Cyril Brunner explains how negative emission technologies can help us fighting climate change. But there is still a long way to go.

The UN climate summit boiled down to cash, coal, compensation and the willingness to speed up the drawdown of fossil fuels. It concluded with timid steps, although some are useful at the margin.

The gathering in Glasgow has already made the halfway point. Some outcomes are still pending but there are three lessons we have already learned.