We run enormous risks and we know what kind of reductions of greenhouse gases are necessary to drastically reduce risks. Reducing emissions by half by 2050 is roughly in the right ballpark. It would bring us below 550 ppm. — Nicholas Stern Copy Share Image
I compensate for big risks by always doing my homework and being well-prepared. I can take on larger risks by reducing the overall risk. — Donna Shalala Copy Share Image