Of all the waste we generate, plastic bags are perhaps the greatest symbol of our throwaway society. They are used, then forgotten, and they leave a terrible legacy.

A pound invested in energy efficiency buys seven times more energy solution than a pound invested in nuclear power.

GM has never been about feeding the world or tackling environmental problems. It is and has always been about control of the global food economy by a tiny handful of giant corporations. It's not wicked to question that process. It is wicked not to.

Sense About Science is much more than an innocent fact-checking service. It is a spin-off of a bizarre political network that began life as the ultra-left Revolutionary Communist Party and switched over to extreme corporate libertarianism when it launched 'Living Marxism' magazine in the late eighties.

We always hear from newspapers that while people understand the environmental challenge, they are unwilling to stomach the solutions. The trouble is, we only ever hear about the solutions from the media, and for whatever reason, they are almost always caricatured beyond recognition. If there's no appetite for green, it's not surprising.

Green policy is about triggering a shift to a cleaner way of doing things. To be effective, it needs to incentivise the right behaviour, for example through tax breaks, and that needs to be paid for by disincentives on polluting behaviour.