ALICE BELL is a climate campaigner and writer based in London. She co-runs the climate change charity Possible, working on a range of projects from community tree planting to solar-powered trains. She has a PhD in science communication from Imperial College London and a BSc in the history of science from University College London, and has worked as both an academic and journalist, writing about everything from the radical science movement of the 1970s to plastic recycling in labs.