The problem with climate change is that it's quite complicated for the ordinary person to understand.

Climate change is the Everest of all problems, the thorniest challenge facing humankind.

If we let climate change run its course, this could be a fairly typical winter 30 or 40 years from now.

On climate change, we often don't fully appreciate that it is a problem. We think it is a problem waiting to happen.

Climate change is a complex problem with no central lever, and with unequal distribution of resources.

Veganism is an answer for almost every problem facing the world in terms of hunger and climate change.