All right, then lets doubt it. Lets try to massively cut emissions until we're sure they won't have catastrophic climate effects. If you're not sure whether yo

All right, then lets doubt it. Lets try to massively cut emissions until we're sure they won't have catastrophic climate effects. If you're not sure whether you'll have a car accident or not, you still take precautions and put on your seat-belt. Only if you're sure you won't have one, can you go without.