The American bank Citi calculated that climate change will cost somewhere between $ 20 000 000 000 000 and $ 72 000 000 000 000 over the next 45 years. That is if we do nothing to prevent climate change. Tackling the problem, doesn’t cost anything according to the bank. On the contrary, it can fetch money. If even a financial institution comes to this conclusion… Why are we doing so little on a day to day bases?