There is no blueprint for the green economy, and success will involve tough choices, writes Ivan Turok and Leanne Seeliger.

The United Nations has agreed at the Rio+20 conference to formally adopt a set of development goals, writes Fiona Macleod.

Far too much time was spent on inconsequential details at Rio+20; world leaders literally cannot see the forests for the trees, writes Ruth Mhlanga.

President Zuma arrived back from Rio de Janeiro, on Saturday, where he attended the Rio+20 United Nations Conference on Sustainable Developmeny.

Only one thing unites those at the People’s Summit — unhappiness over the status quo, writes Jonathan Watts.

The Rio+20 conference is billed as a "once in a generation" opportunity for global sustainability but it’s expected to end with a whimper, not a bang.

A feared mass extinction of wildlife also endangers billions of humans who depend on them for food and livelihood, the Rio+20 conference has heard.

Economic growth, social equity, and a healthier environment are dependent on access to sustainable, clean and affordable energy.

As Brazil prepares for the conference on global development, the mood could not be more different than the Earth Summit 10 years ago.

A new Global Witness report has revealed that environmental activists were killed at the rate of more than two a week in 2011.

A spirit of determination has prevailed at the UN press briefing about the Rio+20 conference which will take place in Brazil later this year.

Scientists have succeeded in including ‘planetary boundaries’ for Rio+20, the UN conference in Rio de Janeiro on the global green economy.