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 from...

The highly-anticipated United Nations climate change conference kicked off in Copenhagen, Denmark, today with countries issuing urgent calls for action to curb global warming. Over 15,000 people, including government officials and representatives from the private sector, environmental organizations and research institutions, as well as 110 heads of State and government – including United States President Barack Obama and Chinese Premier Wen Jiabao – are expected to take part in the...

On the eve of the historic United Nations climate change gathering in Copenhagen, Denmark, a top official with the world body today expressed confidence that the event will deliver a comprehensive and ambitious new deal. The two-week talks are set to kick off tomorrow in the Danish capital, and by the end of the summit, Governments must adequately respond to the urgent challenge posed by climate change, said Yvo de...

The G8 countries have promised to increase the spending on agricultural development by $20 billion over the next three years. The amount is woefully less than the $44 billion that will be needed each year to end malnutrition.  At the world leaders’ meeting in Copenhagen, it is imperative that governments pledge to adopt up-to-date technologies to boost food production as well as outweigh the negative impacts of climate change. A...

The road to Khardung La begins in the Indian town of Leh on the northwestern fringe of the Himalayas. Exhaust-spewing army trucks rattle up the side of dry rock, past Buddhist monasteries clinging to the craggy mountainside and alongside small farms barely scraping fertility from the earth. Khardung La, the highest motorable mountain pass in the world, is more than 18,000 ft. above sea level, the air so thin that...