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

From Indian vultures to Chinese bees, Nature provides the 'natural services' that keep the economy going

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.

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

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.

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

A broad and joined-up approach is needed if we are to match human demands with the capacity of the planet