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Sunlight, not bacteria, key to CO2 in Arctic

Sunlight, not bacteria, key to CO2 in Arctic

Last Updated: Friday, August 22, 2014, 18:58

Sunlight and not bacteria is the key to triggering the production of carbon dioxide (CO2) from material released by Arctic soils, says a significant study.

Fuel cell technology gets a boost

Last Updated: Friday, August 22, 2014, 18:52

In an impetus for fuel cell technology to build "smart" cars, scientists at Stanford University have developed a low-cost, emissions-free device that uses an ordinary AAA battery to produce hydrogen by water electrolysis.

Mysterious source of ozone-depleting chemical baffles NASA

Last Updated: Thursday, August 21, 2014, 08:22

A chemical used in dry cleaning and fire extinguishers may have been phased out in recent years but NASA said Wednesday that carbon tetrachloride (CCl4) is still being spewed into the atmosphere from an unknown source.

`Sponge` plastic to soak up CO2, reduce pollution

Last Updated: Monday, August 11, 2014, 13:13

You have blamed plastics all along for increased pollution but researchers have now made a material - inspired by the plastics used in food containers - that soaks up carbon dioxide (CO2).

Used-cigarette butts to power your computer!

Last Updated: Wednesday, August 06, 2014, 16:47

Scientists have converted used-cigarette butts into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles and wind turbines to store energy.

Only nine Chinese cities reach air quality standards

Last Updated: Wednesday, August 06, 2014, 09:30

Only nine of 161 Chinese cities reached the new -- and stricter -- air quality monitoring standards in the first half of this year, according to the ministry of environmental protection (MEP).

Sunderbans mangrove trees losing capacity to absorb CO2: Study

Last Updated: Monday, August 04, 2014, 10:13

The vast mangrove forest in the Sunderbans is fast losing its capacity to absorb carbon dioxide, one of the main greenhouse gases, from the atmosphere due to rise in the salinity of water, rampant deforestation and pollution, a study has found.

Mars 2020 rover will carry tools to make oxygen

Last Updated: Friday, August 01, 2014, 04:43

The suite of space-age tools loaded on NASA`s next robotic vehicle, bound for the Red Planet in 2020, will include a device for making oxygen out of carbon dioxide.

Drop in CO2 levels triggered formation of Antarctic ice sheet

Last Updated: Thursday, July 31, 2014, 14:20

A new study suggests that a drop in carbon dioxide (CO2) levels seems to have triggered Antarctic ice sheet formation.

Artist develops first ever man-made leaf that could provide oxygen during space travel

Last Updated: Wednesday, July 30, 2014, 17:23

In a path-breaking innovation, Royal College of Art graduate Julian Melchiorri developed the first man-made, biologically functional leaf that takes in carbon dioxide, water, and light and releases oxygen.

Carbon dioxide can be future fuel source

Last Updated: Wednesday, July 30, 2014, 16:36

In a significant breakthrough, scientists have synthesised a catalyst that improves the system for converting waste carbon dioxide into syngas -- a precursor of gasoline and other energy-rich products.

`Natural cooling fluctuation` masked greenhouse effect during last decade: Study

Last Updated: Tuesday, July 22, 2014, 17:38

A new study has revealed that a natural cooling fluctuation between 1998 and 2013 largely masked the warming effects of a continued increase in man-made emissions of carbon dioxide and other greenhouse gases.