World News from the BBC

The British Prime Minister David Cameron says Britain and Germany agree on the need for decisive action to stabilise the eurozone. Speaking in Berlin after talks with the German Chancellor Angela Merkel, Mr Cameron said a stabilisation mechanism should have detail, meaning and punch behind it. He gave no specifics.

President Dilma Rousseff of Brazil has signed a law creating a truth commission to investigate past human rights abuses, including those committed during military rule between 1964 and 1985. The commission will have the power to access all government documents, but an amnesty law means it won't lead to any prosecutions.

Leading climate scientists have warned that governments must implement policies to deal with the effects of more dangerous and unpredictable weather. The Intergovernmental Panel on Climate Change, meeting in Uganda, says global warming means heat waves, floods and droughts are likely to become more frequent and intense. Our science correspondent David Shukman reports.

As with all reports by the UN climate panel, this one was checked by governments from around the world before being published. It says it's virtually certain we'll see higher temperatures in the years ahead and that it's likely many regions will see more heavy rain. As to the role of man, the report says greenhouse gases are likely to have caused recent warming, but for the next few decades our influence will be relatively small compared to natural