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

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 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

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

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

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