Leader who enlisted Sting to save rainforest tells Tom Bawden the problem is as bad as ever

The Chris Blackhurst Interview: A fashion guru with a conscience, Vivienne Westwood is convinced that vested interests are behind the fracking revolution – and she wants them exposed

Are you suffering from green-bin fatigue? As Britain's recycling rate looks set to fall, Simon Usborne examines why we risk turning into a nation of wasters

Wind turbines and an extinct volcano help tiny Spanish island to pioneering energy feat.

Behavioural psychologist Crawford Hollingworth's lightbulb moment helps drivers spot cyclists more easily

At the age of 31, sadly well outside any bracket that could be labelled "young", I've had my first go at BMX. As a kid, before I developed a serious road habit, I rode ugly mountain bikes. I wasn't cool (I also had a Snakeboard – Google it). Now, I hesitate to say, I look at grown-ups hunched over little BMX bikes as slightly tragic souls – Peter Pans with sleeve tats and Vans (Peter Vans?)

Prime Minister could make the issue an election promise

New report outlines the need for more green spaces as the number of humans living in ubran environments continues to rocket upwards

Neil Grayshon's book may not coax many people on to their bikes. But its aim is to highlight the need for more equitable road space. Jamie Merrill talks to those with the scars to prove it

Self-satisfaction comes as part-and-parcel of getting on a bike – you're saving money, you're saving the NHS money, you're saving the planet. But how far gone are you?

Sexism, apathy, injury, death… From city commuters to elite professionals, women in the saddle have had it too tough for too long. Finally, female cycling is about to step up a gear

Two decades ago, mountain bikes ruled the road. Now, they're a hidden cult. So where did it start going downhill for the craze that kept British cycling rolling? And could there be a way back up? Knobbly-tyre fan Andy Waterman reports

George Monbiot wants 'a change in incentives to encourage wildlife and allow biodiversity to recover'