India, China and 128 other countries briefly walked out of the climate change talks here today in protest against the failure of industrialised countries to make firm commitments on greenhouse gas emission cuts in the years beyond 2012. The walkout by the developing countries followed an exchange between Australian and African delegates at a meeting called to set emission reduction targets for the industrialised countries. Australia refused to make any commitment on...

Paul A. Samuelson, the first American Nobel laureate in economics and the foremost academic economist of the 20th century, died Sunday at his home in Belmont, Mass. He was 94. His death was announced by the Massachusetts Institute of Technology, which Samuelson helped build into one of the world’s great centres of graduate education in economics. In receiving the Nobel Prize in 1970, Samuelson was credited with transforming his discipline...

If Paul Samuelson, who died this weekend at the ripe age of 94, has been described in many obituaries as the greatest economist of the 20th century and the “founder of modern economics”, even though most professional economists would credit John Maynard Keynes with that title, it is because most students of economics around the world came to the discipline through his textbook. First published in 1948, Samuelson’s Economics: An...

Arnold Schwarzenegger, Al Gore, Wangari Maathai, Desmond Tutu and a host of other celebrities descended here on Tuesday for the climate summit, rubbing shoulders with NGOs dressed as angels, penguins and trees. As television crews chased celebrities around the sprawling summit venue — the Bella Centre — and scrums broke out to enter the rooms where they were speaking, the relatively few NGO representatives allowed inside found innovative ways of spreading...

World leaders arriving at the United Nations conference in Copenhagen next week will be greeted with over100 real-life stories demonstrating the devastating impact global warming has on lives and livelihoods of people around the world. The UN Environment Programme (UNEP) today installed the UN Climate Wall - high-tech touch-screens broadcasting the sights and sounds of a changing climate - near the conference hall where the majority of the world's heads...