By downplaying clear targets and frameworks, ... the Prime Minister is ignoring calls from UK companies who want a clear framework to operate within now. There has been a lot of discussion about the false choice between targets and technologies, but the reality is that without both we cannot achieve either.

We have lost sight of the dependence we have on nature in economics

We are developing all sorts of technologies based on what we have learnt from birds, animals and soils. Pollination is worth £billions. But it also highlights how nature is so interconnected.

By downplaying clear targets and frameworks, ... the Prime Minister is ignoring calls from UK companies who want a clear framework to operate within now. There has been a lot of discussion about the false choice between targets and technologies, but the reality is that without both we cannot achieve either.

The coming week in The Hague may prove to be one of the most important in the three-and-a-half-billion year history of life on earth.

The US is responsible for 25 percent of the world's greenhouse gas emissions. It should take responsibility for leading the way.

Nature is not a drag on growth - its protection is an unavoidable prerequisite for sustaining economic development.