Fossil fuel burning releases about 25 Pg of CO2 per year into the atmosphere, which leads to global warming (Prentice et al., 2001). However, it also emits 55 Tg S as SO2 per year (Stern, 2005), about half of which is converted to sub-micrometer size
sulfate particles, the remainder being dry deposited. Recent research has shown that the warming of earth by the increasing concentrations of CO2 and other greenhouse gases is partially countered by some backscattering to space of solar radiation by

South Asian emissions of fossil fuel SO2 and black carbon increased

South Asian emissions of fossil fuel SO2 and black carbon increased

Direct observations of sunspot numbers are available for the past four centuries, but longer time series are required, for example, for the identification of a possible solar influence on climate and for testing models of the solar dynamo. Here we report a reconstruction of the sunspot number covering the past 11,400 years, based on dendrochronologically dated radiocarbon concentrations. We combine physics-based models for each of the processes connecting the radiocarbon concentration with sunspot number.

According to IEA's factsheet, Renewables in global energy supply, the wind energy sector has grown at more than 52 per cent per annum since 1971, and solar power by 32 per cent per annum. Renewables

function india_table() { var popurl="html/20040531_india.htm" winpops=window.open(popurl,"","width=450,height=380,scrollbars=yes") } Starting before industrialised Germany and the UK,

With a cost of Rs 4 crore per megawatt, more cost effective than a coal-fired thermal power plant, biomass gasification is a lucrative option for providing electricity to Indian villages.

At Renewables 2004, "an international action plan will be on the agenda, including actions and commitments by governments, international organisations and stakeholders," says the conference

The Indian Ocean Experiment (INDOEX) was sponsored by research agencies within Europe, India and USA, and was mainly concerned with the haze over south Asia and the adjacent Indian Ocean. It excluded other equally or even more polluted areas in Asia. The Asian Brown Cloud is a follow on international research project that includes all of Asia.