Humankind has the science and technology to destroy itself or to provide prosperity for all. But while science offers us these opportunities, science will not make that choice for us. Only the moral power of a world acting as a community can

The rewards that will flow from a successful shift to a low carbon economy are high. Neither governments nor business can afford to let these opportunities pass them by

In the UK what we've found is that even businesses which prided themselves already on their efficient management find that a really beady-eyed scrutiny of their resource management, with an eye to environmental best-practice and long term sustainability, produce fresh efficiency and fresh savings that actually shock those in the company

One of the reasons I came into politics was because I thought I lacked the skills to be a social worker.

Many unsustainable behaviours are locked-in and made 'normal', not just by the way that we produce and consume, but by the absence of easy alternatives

You have to make your choice and live with your choice.

My own passion for caravan holidays has been occasionally commented on by the media. It is certainly something that I am proud of.