The actor and journalist insists he is no treehugger, but he has made a hugely successful environmental film
Smart fridges and confused Republicans dominate this week's web round up
The Conservative Party manifesto contains more innovative environmental policy proposals than expected, but can David Cameron be trusted to deliver on his green pledges?
Trewin Restorick is already suffering from election fatigue - not least because the main party's green policies are so uninspiring
Environmental issues are unlikely to turn this election, but they could yet play a more central role than many commentators think
Christian Kjaer, chief executive of the European Wind Energy Association, argues that a supergrid is essential to EU efforts to cut carbon emissions
With the World Cup expected to provide a sales boost for television manufacturers, Hannah Hislop of the Green Alliance warns poor energy labelling will make it difficult for football fans to pick the greenest models
Trewin Restorick wonders if the new Sustainable Restaurant Association can help green our cuisine
Anyone who reckons recycled clothes must be uncomfortable should seek out the latest shirts made from discarded plastic bottles
Stephen Bentley, chief executive of Granby Marketing Services, explains how the popular environment management standard won him over