27 images that prove that we are in danger

1. The view over the overdeveloped metropole of Mexico City (with more than 20 million inhabitants).
Sometimes every word is superfluous. These pictures say more than a thousand words.


9. The scars left behind from the mining of oil sands in the Canadian province of Alberta.
23. This polar bear starved to death in Svalvard, Norway. Disappearing ice caps are robbing polar bears of both their living space and food.

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