Martin's Monsanto poem holds devastating power. I heard the first public reading at the Resurgence Festival of well-being in London. It brought truth with clarity, not least with a kind of conviction and passion that is all too rare

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

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

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

The wealthiest 300 people have greater riches than the three billion poorest. The three wealthiest people have greater riches than the 48 poorest countries put together. With only limited environmental space to accommodate the expected 9 billion human inhabitants of the world by 2050, such disparities in consumption are clearly not sustainable

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.