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Volcanic gases may have slowed down global warming: Study

Last Updated: Wednesday, February 26, 2014, 21:27

Volcanic gases from early 21st century eruptions - that form mirror-like particles in the air - may have slowed down global warming, shows research.

Diwali effect: Noise polluion high, air pollution down in Delhi

Last Updated: Monday, November 04, 2013, 21:59

Noise pollution in Delhi witnessed an upward trend this Diwali, as compared to six other metros like Bangalore, Chennai, Mumbai and Kolkata.

Harmful pollutants go up sharply in Beijing

Last Updated: Thursday, April 04, 2013, 11:00

The levels of two pollutants harmful to human health rose sharply in Beijing in the first three months of 2013 relative to the same period of last year, the South China Morning Post reported, citing a government official.

`Volcanoes keeping a lid on global warming`

Last Updated: Monday, March 04, 2013, 15:58

Sulphur dioxide emissions from moderate volcanoes around the world can mask some of the effects of global warming by 25 percent, a new study has found.

Venusian volcanoes `spewing sulphur dioxide into atmosphere`

Last Updated: Monday, December 03, 2012, 17:23

ESA’s Venus Express have detected large changes in the sulphur dioxide content of the planet’s atmosphere, and astronomers suspect volcanic eruptions behind it.

New molecule could help cool planet

Last Updated: Friday, January 13, 2012, 08:42

A new molecule has been detected in the earth`s atmosphere which could help produce a cooling effect, scientists said, but it remains to be seen whether it can play a major role in tackling global warming.