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Air pollution on equator affects ozone more

Air pollution on equator affects ozone more

Increase in air pollution in the regions near the equator has led to the formation of more total ozone worldwide, compared to the amount of pollution being emitted, researchers have found.

Air pollution may shorten survival chances in lung cancer patients

Adenocarcinoma is the most common type of non-small cell lung cancer, which accounts for 80 per cent of lung cancer cases.

Delhi odd-even scheme: Air quality improves slightly on Day 2

Delhi odd-even scheme: Air quality improves slightly on Day 2

The safe levels of PM 2.5 and PM 10 are 60 and 100 ug/m3 respectively.

NASA says Antarctic ozone hole area approaches annual maximum

NASA says Antarctic ozone hole area approaches annual maximum

The Antarctic ozone hole, located above the South Pole, expands during every Southern Hemisphere Antarctic spring. 

China 'exporting' ozone pollution to US: Study

Progress slashing unhealthy ozone in the western United States has been largely undone by pollution wafting across the Pacific from China, according to a study published today.

Significant ozone built up in Delhi poses health risk: CSE

A significant ozone build up has been witnessed this summer in several areas of the national capital, including the one where Delhi Chief Minister Arvind Kejriwal resides, increasing the public health risk, a green body warned Thursday.

Dangerous levels of toxins in Delhi's air as heat and dust intensify

Dangerous levels of toxins in Delhi's air as heat and dust intensify

Of late, experts have raised concerns about poor air quality in the national capital. And now, prevailing high temperatures in Delhi have caused a steep rise in ozone levels.

How air pollution, climate change make your allergies worse revealed

A new has provided a deeper insight into air pollution and climate change that are involved in the increasing prevalence of allergies worldwide.

Household 'green' products pose health hazards

The so-called household "green" products, including air fresheners, cleaning products, laundry supplies and personal care products, contain lot of health hazards, finds a new study.

US proposes stricter ozone limits

The US Environmental Protection Agency announced plans Wednesday to strengthen emission regulations for ozone, a smog-causing pollutant blamed for respiratory ailments affecting millions of Americans.

NASA's MAVEN gets unprecedented look at Mars' upper atmosphere

NASA's MAVEN gets unprecedented look at Mars' upper atmosphere

NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has provided scientists its first look at Martian upper atmosphere, it has been reported.

Here`s how NASA is going to search for alien life in future

Here`s how NASA is going to search for alien life in future

NASA has said that astronomers searching the atmospheres of alien worlds for gases that might be produced by life can't rely on the detection of just one type, such as oxygen, ozone, or methane, because in some cases these gases can be produced non-biologically.

Fragile ozone layer shows first sign of recovery: UN

The ozone layer that shields life from cancer-causing solar rays is showing its first sign of recovery after years of dangerous depletion, a UN study said on Wednesday, in a rare piece of good news on the environment.

Ozone layer on track to recovery: UN report

Ozone layer on track to recovery: UN report

The depleting ozone layer is well on track to recovery in the next few decades because of "concerted international action", according to an assessment report by UN Enviornment Programme and World Meterological Organisation.

Four new ozone-depleting gases found in atmosphere

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

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

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

Lethal gamma-ray may soon hit Earth

A lethal gamma-ray burst from a star about 8000 light years away could hit earth and possibly wipe out a quarter of our atmospheric ozone, astronomers have revealed.

Gas that triggers ozone destruction found

Scientists showed that the reaction of iodide with ozone leads to the formation of both molecular iodine and hypoiodous acid.

Ozone in air makes for poorer workers

Ozone, even at low levels, can affect worker performance significantly, says the first ever research on the direct impact of pollution on individual productivity.

Climate change ups risk of ozone damage

The increased risk of ozone damage to vegetation is mainly due to rising ozone concentrations and higher temperatures in the future.