atmospheric carbon dioxide

Oceans absorbing half of greenhouse emission


August 2nd, 2012 - 6:08 pm ICT by IANS
Washington, Aug 2 (IANS) Oceans, forests and other ecosystems continue to soak up about half the carbon dioxide (CO2) released by human activities, but US researchers fear this may not ... Read more...

Posted in Environment |

Ice age to interglacial period: Greatest climate change


July 24th, 2012 - 6:21 pm ICT by IANS
Copenhagen, July 24 (IANS) The greatest climate change ever recorded by the world over the last 100,000 years has been the transition from the ice age to the warm interglacial ... Read more...

Posted in Uncategorized |

Sea less vulnerable to CO2 13 mn years ago: Study


June 7th, 2012 - 3:53 pm ICT by IANS
Washington, June 7 (IANS) Higher levels of atmospheric carbon dioxide (CO2) are linked to rising ocean temperatures -- but the seas were not so sensitive to the gas around 13 ... Read more...

Posted in Environment |

‘Rising CO2 levels threaten aquatic food webs’


May 8th, 2012 - 2:16 pm ICT by IANS
Sydney, May 8 (IANS) Rising levels of atmospheric carbon dioxide (CO2) are seriously threatening marine plankton, vital for survival of aquatic food webs, whose disappearance could have far-reaching impact, a ... Read more...

Posted in World |

Stop fungal disease in crops, feed 600 million


April 12th, 2012 - 12:01 pm ICT by IANS
London, April 12 (IANS) Stemming fungal diseases in the world's five most important crops could feed more than 600 million people, according to a new study.Fungal infections destroy 125 million ... Read more...

Posted in World |

Carbon emissions could wipeout marine species


March 3rd, 2012 - 12:33 am ICT by IANS
London, March 2 (IANS) Carbon emissions are acidifying oceans at a faster rate than at any time in the past 300 million years, raising the prospect of ecological catastrophe in ... Read more...

Posted in World |

Man-made photosynthesis to boost food output


February 19th, 2012 - 2:58 pm ICT by IANS
London, Feb19 (IANS) Photosynthesis, one of the most powerful biological processes on earth, permits plants to convert solar energy into food and fuel, but with only one percent efficiency. Richard ... Read more...

Posted in World |

Algae emerges as promising alternative to fossil fuels


January 11th, 2012 - 7:34 pm ICT by IANS
London, Jan 11 (IANS) Microalgae is emerging as a promising alternative to fossil fuels whose consumption is worsening atmospheric carbon dioxide levels. Johannes A. Lercher and his team at the ... Read more...

Posted in World |

Tropical forest growth could worsen carbon dioxide problem


August 16th, 2011 - 7:21 pm ICT by Aishwarya Bhatt
London, August 16 (THAINDIAN NEWS) Researchers from the Centre for Ecology & Hydrology and the University of Cambridge, UK have reported that more trees may rather worsen the carbon dioxide problem the ... Read more...

Posted in Environment |

Carbon leaks shows what coral reef would be like in future


June 1st, 2011 - 4:07 pm ICT by IANS
Sydney, June 1 (IANS) Natural carbon dioxide seeps have given scientists rare insights into what tropical coral reefs could look like if human-induced CO2 concentrations continue to rise unabated.At ... Read more...

Posted in Environment |

Antarctic icebergs help ocean absorb carbon dioxide


May 12th, 2011 - 2:48 pm ICT by IANS
Washington, May 12 (IANS) Antarctic icebergs may be instrumental in boosting the growth of algae that absorbs atmospheric carbon dioxide (CO2) and transfers it back into the deep sea through ... Read more...

Posted in Uncategorized |

Succulent plants emerged after Earth cooled, dried up


May 4th, 2011 - 5:57 pm ICT by ANI
Washington, May 4 (ANI): A team of biologists have determined that cacti, succulent plants and tropical grasses emerged as the Earth cooled, increased in aridity, and had lower atmospheric carbon-dioxide levels.Brown University ... Read more...

Posted in Health Science |

Scientists estimate sea level rise by studying past carbon dioxide levels


May 2nd, 2011 - 6:19 pm ICT by ANI
London, May 2 (ANI): A team of scientists have found how an estimate of the sea level rise can be made by looking at atmospheric carbon dioxide levels 3 million years ago.The ... Read more...

Posted in Health Science |

Earth will recover faster from global warming show prehistoric evidence


April 23rd, 2011 - 7:02 pm ICT by ANI
Washington, Apr 23 (ANI): A team of scientists has analysed evidence from a prehistoric event and come to the conclusion that the Earth may be able to recover from rising carbon dioxide ... Read more...

Posted in Health Science |

Ancient fossils hold clues for predicting future climate change


April 9th, 2011 - 2:41 pm ICT by ANI
Washington, Apr 9 (ANI): Scientists have revealed that fossilized mollusks from some 3.5 million years ago hold clues that can predict global climate change of the future.UCLA geoscientists and colleagues have been ... Read more...

Posted in Health Science |

Cutting carbon concentrations can prevent drought


March 25th, 2011 - 3:46 pm ICT by IANS
Washington, March 25 (IANS) Reducing carbon concentrations would have a beneficial spin-off -- help prevent droughts caused by global warming.New research from Carnegie Global Ecology scientists Long Cao and Ken ... Read more...

Posted in Environment |

Shrinking snow and ice cover ‘making global warming worse’


January 19th, 2011 - 4:28 pm ICT by ANI
London, Jan 19 (ANI): A new research from the University of Michigan has shown that the decreasing snow and ice cover on Earth's surface has contributed much more to global warming than ... Read more...

Posted in Health Science |

Dust in Earth’s atmosphere has doubled since the beginning of 20th century


January 9th, 2011 - 12:10 pm ICT by ANI
Washington, Jan 09 (ANI): A new study has suggested that the amount of dust in the Earth's atmosphere has doubled since the beginning of the 20th century and the dramatic increase is ... Read more...

Posted in Health Science |

Global warming 60m years ago improved Tropical forest diversity


November 12th, 2010 - 3:07 pm ICT by ANI
Washington, Nov 12 (ANI): Global warming may not have any adverse effect on the Tropical forests, as scientists have suggested that nearly 60 million years ago rainforests prospered at temperatures that were ... Read more...

Posted in Health Science |

Earth witnessed extreme global warming around 40mn yrs ago


November 11th, 2010 - 5:26 pm ICT by ANI
Washington, Nov 11 (ANI): A new research by scientists has found that variations in atmosphere carbon dioxide around 40 million years ago were tightly linked to changes in global temperature.Scientists at ... Read more...

Posted in Health Science |

Crops reflecting sunlight could offset global warming


November 9th, 2010 - 2:20 pm ICT by IANS
London, Nov 9 (IANS) Planting 'climate friendly' crops that reflect sunlight could help offset the effects of global warming, researchers say.Crops such as wheat have significantly different levels of reflectivity, or ... Read more...

Posted in Environment |

Mars had ‘recent’ interaction with water and volcanoes, finds study


September 10th, 2010 - 3:05 pm ICT by ANI
Washington, Sept 10 (ANI): Liquid water has interacted with the Martian surface throughout the planet's history and into modern times, according to data from NASA's Phoenix Mars Lander.The research also offers new ... Read more...

Posted in Health Science |

New CO2 model to ensure that Earth doesn’t heat up beyond two degrees


August 3rd, 2010 - 1:03 pm ICT by ANI
Washington, Aug 3 (ANI): Researchers have developed a new model that specifies the maximum volumes of carbon dioxide that humans may emit to remain below the critical threshold for climate warming of ... Read more...

Posted in Health Science |

Warmer temperatures increase CO2 release by inland lakes


July 22nd, 2010 - 6:46 pm ICT by ANI
London, July 22 (ANI): Warmer climate entails increased release of carbon dioxide by inland lakes, reveals new Swedish research.The study appears in the journal Nature.Particles of different kinds - including microscopic algae, ... Read more...

Posted in Health Science |

Fish lose ability to smell danger in acidic oceans


July 18th, 2010 - 4:32 pm ICT by IANS
London, July 18 (IANS) Fish lose their ability to smell danger as the oceans grow more acidic, says a new research. Marine biologists, studying the impact of ocean acidification, which occurs when ... Read more...

Posted in Sci-Tech |

Scientists explain record low atmospheric density during solar minima


July 11th, 2010 - 2:17 pm ICT by ANI
Washington, July 11 (ANI): Scientists have explained the reason for the record low mass density of the upper thermosphere during the 2008 solar minimum.During a solar minimum, EUV (extreme ultraviolet) irradiance is ... Read more...

Posted in Health Science |

Scrubbing CO2 from air could be a long-term commitment


July 2nd, 2010 - 4:44 pm ICT by ANI
Washington, July 2 (ANI): Scientists at the Carnegie Institution have said that while scrubbing carbon dioxide from the air could reduce green house effect, the carbon cycle would limit the effectiveness of ... Read more...

Posted in Health Science |

Atmospheric carbon dioxide levels on the rise


June 29th, 2010 - 5:56 pm ICT by ANI
Washington, June 29 (ANI): The level of carbon dioxide in the Earth's atmosphere has risen by about 2 parts per million (ppm), scientists have determined using data sent by SCIAMACHY (Scanning Imaging ... Read more...

Posted in Health Science |

Whitening clouds could fight global warming


June 29th, 2010 - 3:14 pm ICT by ANI
Washington, June 29 (ANI): Whitening clouds over the ocean to reflect sunlight could counter global warming, proposed a study by the Carnegie Institution, in collaboration with the Indian Institute of Science.The researchers ... Read more...

Posted in Health Science |

How climate change and pollution affect ocean chemistry


June 20th, 2010 - 12:06 pm ICT by ANI
Washington, June 20 (ANI): In a new study, researchers have evaluated the total impact of climate change, carbon dioxide, pollution and other human-related phenomena on the world's oceans.The study, led by a ... Read more...

Posted in Health Science |

Huge carbon ‘burp’ that helped end last ice age detected


June 6th, 2010 - 2:47 pm ICT by ANI
London, June 6 (ANI): Atmospheric carbon dioxide levels shot up by nearly 50 per cent at the end of the last ice age because ancient oceans belched stagnant CO2 into the skies, ... Read more...

Posted in Health Science |

Early Earth haze similar to Titan may have been UV shield for planet


June 4th, 2010 - 2:38 pm ICT by ANI
Washington, June 4 (ANI): A new study shows a thick organic haze that covered the Earth several billion years ago, similar to that on Saturn's largest moon, Titan, may have provided ultraviolet ... Read more...

Posted in Health Science |

Antarctica was once a warm “greenhouse” world


April 30th, 2010 - 3:08 pm ICT by ANI
Washington, Apr 30 (ANI): Antarctica, the ice-covered mass of land on the earth was once a warm "greenhouse" or "hothouse" world, according to results of a research expedition in Antarctic waters.The findings ... Read more...

Posted in Health Science |

Microbes aren’t accelerating global warming as expected


April 27th, 2010 - 4:17 pm ICT by ANI
London, April 17 (ANI): Soil microbes are producing less atmospheric carbon dioxide than scientists expected, a new American research has found.The findings of the study, conducted by researchers at the University of ... Read more...

Posted in Health Science |

Smallest bubbles in oceans detected


February 26th, 2010 - 3:34 pm ICT by ANI
Washington, Feb 26 (ANI): In a new research, a team of physicists has detected the smallest bubbles in the oceans that are as tiny as one thousandth of a millimeter.According to a ... Read more...

Posted in Health Science |

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