Hannah Ritchie went from eco-anxiety to optimism when it comes to climate change. The data scientist from the University of Oxford publishes 'It's not the end of the world' She argues that it is possible to limit the effects of climate change and adapt.

"We are not on a good climate trajectory but there are solutions and they are already beginning to be implemented," she says. Jaime Molina is a journalist and author based in London. She is the author of the book "It's Not The End Of The World"