Open letter by Marga Mediavilla to Fridays For A Future. reposted from 15/15\15. “There is one thing that worries me. In your speeches on climate change you can find demands for very ambitious decarbonization objectives..... According to my knowledge and according to the studies we are making in our group, such ambitious goals as these… Continue reading Open letter to Fridays For A Future. It’s time for action, but, what action?