To curb climate change, the world needs to rapidly phase out use of fossil fuels - and highly polluting coal is the priority. How is the effort going and where are the roadblocks?
When Tree Sequoia joined hundreds of LGBT+ people rioting in downtown New York 50 years ago, same-sex relations were illegal in more than 100 countries and every U.S. state had anti-sodomy laws.
Slumped on a bench in a village in southeast Senegal - which is lifeless but for the occasional bleating of goats and splutter of old motorcycles - Aliou Thiam has only one thing on his mind.
U.S. President Donald Trump, who once described climate change as a "hoax", has said he will take the United States out of the 2015 Paris Agreement to combat climate change and support greater use ...
As climate change takes hold, temperature records are being broken around the world month by month. What does that look like - and how are people responding?