The effects of climate change are being felt around the world, with extreme weather events becoming more frequent and intense. According to recent estimates, climate inaction is on track to cost the global economy $38 trillion per year in damages within the next 25 years. Survivors of climate disasters are also calling for the human cost of the crisis to be considered. In Belgium, our Down to Earth team met Ben, whose friend Rosa was killed in the 2021 flash floods in the Wallonia region. He hasn't missed a single climate march since.