I helped write the IPCC 1.5°C report the number apparently comes from. But the truth is better – and worse – than that.
Climate change is an emergency which will hurt the planet's most vulnerable people – the only irrational response is cool detachment.
The 1930s New Deal created a civilian army of conservationists who planted forests and restored wilderness.
The school strikes are a serious moral challenge to climate inaction, but they must overcome certain challenges to maintain momentum.
How can the climate strikers' demands of system change be met?
Facing up to the horror of climate change can help us work towards a more sustainable culture. Young people are leading the way.
What's the best thing I can do to help the climate? How long is the planet going to last? These questions and more answered by a climate scientist.
Climate change will hit young people hardest, yet they cannot access the democratic processes that adults take for granted.