Here you can find all the latest updates in relation to Earth Summit 2012, as well as archived news.

The extreme rate of acidification – the term used to describe the decrease in ocean pH levels caused by man-made CO2 emissions – has happened before, Carol Turley of Plymouth Marine Laboratory said, a claim that might have been comforting if she hadn’t been referring to the time when dinosaurs died out. 

Read more: Oceans Will Not Survive ‘Business as Usual’

While political momentum on a green economy is now gathering pace there are still some important concerns regarding the meaning and consequences of a transition, particularly for the world's poorest. As governments begin to identify opportunities and policy frameworks at the national level it is critical that their decision-making processes are guided by a common set of goals, an agreed set of principles, for what a green economy must uphold.

Read more: 9 Principles of a green economy? Online consultation

By Stockholm International Water Institute

The 6th World Water Forum, taking place in Marseille from March 12-17, is an important stepping stone to strengthen the voice of water in the process leading up to Rio+20. At this juncture, the Stockholm International Water Institute strongly urges that following points are emphasised in the outcome of Rio+20.

Read more: Water: the bloodstream of the green economy