Rio+20 People's summit gathers pace. Two hundred civil society groups - including environmentalists, unions, religious groups and indigenous tribes – will take part in the Peoples' Summit, which is expected to climax with a rally of 50,000 people on the 20th June.
On that day, more than 110 world's leaders will fly in for the Earth summit, marking the two decades that have passed since the original Rio gathering in 1992 set in place a system of international conventions and policy documents designed to bring the human economy back into balance with the global environment.
The Great German Energy Experiment. Germany has decided to pursue ambitious greenhouse-gas reductions—while closing down its nuclear plants. Can a heavily industrialized country power its economy with wind turbines and solar panels?
Rio heads for economics with meaning. In 1968, Senator Robert Kennedy questioned the wisdom of using Gross Domestic Product (GDP) as a useful economic measure. Some economists have long questioned whether GDP is measuring anything meaningful. And in recent years, enough governments have listened that the issue is now on the agenda of the Rio+20 meeting.