Climate change protestors took to the streets of Nairobi, Kenya, as part of global climate strikes on Sept. 20, 2019. Thomson Reuters Foundation/Nita Bhalla
In September 2019 about 60 world leaders took the podium at the United Nations to explain how they planned to increase action to tackle climate change, as pressure grows on them to boost their efforts, with the aim of keeping global warming to 1.5 degrees Celsius. Charities, scientists, cities, young people and a growing number of businesses are also pressing for - and working toward - a greener and safer world. What comes next?