The fifth (2005) round of the World Bank's International Comparison Program, which produces estimates of the gross domestic product at purchasing power parity prices, has been the most extensive and

The world has seen a dramatic shift to urban living. In 1900, only 10 per cent of the global population were urban dwellers; now it's more than 50 per cent. More than 95 per cent of the net increase

South Asia being an energy-deficit region, there is a strong case for developing regional cooperation in this sector. This may take different forms. India has surplus petroleum refining capacity while other countries in the region are importers of petroleum products. The real benefits will accrue from cooperation in power generation.

Vegetation of lantana-invaded forest plots in the Achanakmar

This paper compares the experiences of India and Vietnam in dietary diversity and undernourishment from the early 1990s to the middle of the first decade of the new millennium. Feb 23-29, 2008

The gold medal for new wind power production in 2007 goes to the United States. More than 5,200 megawatts of capacity were installed there, a new world record. New factories are to ensure further growth, provided the promotion criteria are extended in time.

Globally, 2.6 billion people lack access to safe and clean toilets. For example, 92 per cent of the population in Afghanistan don't have proper sanitation; 67 per cent in India as well. A

When the first comprehensive report in years to examine energy use by computer servers was published in February 2007, it was greeted with surprise by industry insiders. Jonathan Koomey, a staff scientist at Lawrence Berkeley National Laboratory in California, found that worldwide power consumption by servers had doubled between 2000 and 2005. "Everyone thought CO2 emissions were a problem for transportation and big energy," says Bill St Arnaud of Canarie, Canada's internet development organisation in Ottawa, Ontario.