The climate system is extraordinarily complex, and our understanding of it is still evolving.
The meat processing industry has a responsibility to provide safe, high-quality products to consumers.
The very essence of romance is uncertainty.
If someone's dumb enough to offer me a million dollars to make a picture, I'm certainly not dumb enough to turn it down.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.