Bella Lack is a young British environmental activist. From the age of 11, she's been flying the flag for conservation through her social media posts, videos and public speeches. This autumn, her new documentary film "Animal" – made in collaboration with Jane Goodall and Cyril Dion – will be released in cinemas. She spoke to FRANCE 24 about her activism, her goals and why she thinks the Covid-19 pandemic could be an opportunity to clean up the planet.