The eco guide to optimism

OK, the Sixth Mass Extinction may be upon us, but there are still some reasons to be cheerful

Let's begin with the bad news. First, Earth Overshoot Day - the point at which the world consumes more natural resources than the planet can renew throughout the year - shifted forward this year to 2 August, putting humanity in the red for longer.

We are starting to unlink greenhouse gas emissions from production and consumption