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Ozone peaked to dangerous levels in Delhi: Study

Last Updated: Tuesday, June 10, 2014, 23:01

Even as residents in Delhi continue to battle the soaring temperature this summer, the Ozone has also peaked to dangerous levels in the national capital.

Hole over tropical West Pacific reinforcing ozone depletion in polar regions

Last Updated: Monday, April 07, 2014, 10:37

Researchers have found that an atmospheric hole over the tropical West Pacific is reinforcing ozone depletion in the polar regions and could have a significant influence on the climate of the Earth.

Climate changes put the freeze on elephant seal births

Last Updated: Thursday, March 27, 2014, 16:12

More ice means fewer elephant seal pups, according to Australian scientists studying breeding colonies on Macquarie Island near Antarctica.

Four new ozone-depleting gases found in atmosphere

Last Updated: Monday, March 10, 2014, 11:23

A new study has found four new man-made gases in the atmosphere which are destroying the ozone layer.

New ozone-depleting gases found in atmosphere

Last Updated: Monday, March 10, 2014, 01:53

Worried scientists said on Sunday they had found four new ozone-destroying gases in the atmosphere, most likely put there by humans in the last 50-odd years despite a ban on these dangerous compounds.

Scientists still waiting for clear signs of ozone hole healing

Last Updated: Wednesday, December 18, 2013, 10:53

Earth`s upper atmosphere is still so saturated with ozone-eating chlorine that it will take about another decade for evidence that a nearly 25-year-old ban on such destructive chemicals is working, scientists said.

Ozone hole still not on path of recovery

Last Updated: Thursday, December 12, 2013, 13:59

NASA scientists have found that declining chlorine in the stratosphere has not yet caused a recovery of the ozone hole - formed annually over Antarctica.

Human activity altering rainfall patterns: Study

Last Updated: Tuesday, November 12, 2013, 13:09

A new study has shown that changes in global (ocean and land) precipitation may have been directly affected by human activities and cannot be explained by natural variability alone.

Ozone chemicals ban may have led to global warming `pause`

Last Updated: Monday, November 11, 2013, 12:31

A new study has suggested that ban on ozone depleting chemicals may have impacted the global temperature rise.

Antarctic Ozone hole slightly smaller than average in 2013

Last Updated: Saturday, October 26, 2013, 12:45

The ozone hole, which forms every year in the stratosphere over Antarctica, is slightly smaller in size than average this year, according to NASA satellite data.

Climate change to undermine world ocean systems by 2100

Last Updated: Wednesday, October 16, 2013, 19:33

Scientists have found that no corner of the world ocean will be untouched by climate change by 2100, with the sea experiencing the simultaneous effects of warming, acidification and oxygen depletion.

New device can detect dangerous ultraviolet light

Last Updated: Sunday, October 06, 2013, 16:21

Scientists have developed a new device that can detect in just milliseconds a certain type of high-energy ultraviolet light which is powerful enough to break the bonds of DNA and harm living creatures.