War has returned to Europe. Responding to an attack by Georgia on the breakaway republic of South Ossetia, Russia retaliated and invaded Georgia. The Guardian's Luke Harding tells us what he saw in the Georgian town of Gori.
Jonathan Steele, the Guardian's senior foreign correspondent, discusses the actions and motives of Georgia and Russia in the conflict.
Before the Olympics began, there was much concern about the air quality in Beijing, since China burns so much coal. So it may come as a surprise that the Chinese are making giant strides in developing a form of clean power. Jonathan Watts, the Guardian's south-east Asia correspondent, reports on China's wind energy revolution.
Professor Bob Watson, chief scientist at Britain's Department for the Environment, Food and Rural Affairs, has warned that Britain must prepare for climate change of four degrees Celsius. James Randerson, the Guardian's science correspondent, discusses Watson's warning and its implications.
Another warning comes from Andrew Simms, policy director and head of the Climate Change Programme at the New Economics Foundation. He says that we have only 100 months to avoid irreversible warming of the planet.
Isaac Hayes left an enduring musical legacy that influenced rap, funk and soul. David Quantick, British writer and broadcaster, discusses his influence.
Each week we hear from one of our listeners or readers about what is happening in his or her part of the world. In his Letter from New Zealand, John Darkin explains what can be done to prevent the extinction of a language.
