Pollution, poverty, disease and death: future cities will be grim places, unless we do things differently.
Our closest relatives are being wiped out and it's all our fault.
We have the penis of a monogamous primate yet our body sizes suggest our ancestors slept around a lot.
We should be building wildlife bridges on the US-Mexico border – not walls.
A swampy area the size of England stores as much carbon as 20 years of US fossil fuel emissions.
The environment minister recently told a conference that agriculture is as old as 'mankind'. She's out by a few million years.
The species died out long before humans could properly study it.
David Attenborough's latest BBC documentary indulges wishful thinking over evidence.