METHANE, a key greenhouse gas that has been growing alarmingly in the atmosphere, suddenly stopped in its track beginning 1992. Although previous studies had shown that the rate of methane increase

Scientists have found iron concentrations in sea water affect the growth of plankton that keep a tab on carbon dioxide, a greenhouse gas.

SCIENTISTS say the increase in the atmospheric concentration of methane -- a major greenhouse gas -- is fast levelling off (New Scientist, Vol 140, No 1991). Evidence of a halt in methane rise

PAKISTAN'S agriculture dominated economy may be crippled by increased variation in monsoons over the next 50 years as a result of global warming, fears the director of the Pakistan Institute of

AS THE global warming debate heats up, scientists are looking towards the most unlikely source for clues -- penguins. They suspect the availability of fish on which penguins feed is increasing in the

FEARS that oil demand would decline because of a US-proposed energy tax have been expressed by delegates at a meeting of the Organisation of Petroleum Exporting Countries (OPEC). The Clinton

The European blackcap has dramatically changed its migration pattern, flying to a new site, more than 1,000 km north of the region where it traditionally spent the winter.

Variations in solar radiations contribute little to global warming and researchers say efforts to check the phenomenon must focus on greenhouse gases.