Climate Change
When the last tree is cut, the last fish is caught, and the last river is polluted; when to breathe the air is sickening, you will realize, too late, that wealth is not in bank accounts and that you can’t eat money. — Alanis Obamsawin
One day at a temperature of 58℃ would kill most of Earth’s crops and animals.
During the last ice age, the earth was ~6℃ colder. During the age of the dinosaurs, when the earth was ~4℃ warmer, there were crocodiles living above the arctic circle.

- 95% of the world’s Transportation runs on oil.