The security of people and nations rests on four pillars - food, energy, water and climate. They are all closely related, and all under increasing stress

The thing about filming is that it can be the most banal experience because it's slow and there's a lot of waiting around.

The security of people and nations rests on four pillars - food, energy, water and climate. They are all closely related, and all under increasing stress

A stable climate is the most fundamental resource of all. No one has yet built a civilisation in an unstable climate