carbon dioxide levels

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 |

Drop in CO2 triggered polar ice sheet formation


December 2nd, 2011 - 12:45 pm ICT by IANS
Washington, Dec 2 (IANS) A drop in carbon dioxide (CO2) levels seems to have triggered Antarctic ice sheet formation.Scientists from Yale and Purdue Universities stumbled on the discovery while examining ... Read more...

Posted in Environment |

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 |

Computer games may be turning your child obese


May 21st, 2011 - 8:38 pm ICT by IANS
London, May 21 (IANS) With a lot of teenagers taking to computer games literally as addiction, scientists claim these games are actually making the young ones hungry and prone to ... Read more...

Posted in Life Style |

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 |

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 |

New model to measure organic carbon in surface waters


March 5th, 2011 - 5:31 pm ICT by ANI
Washington, Mar 5 (ANI): Scientists have developed a new carbon model to estimate sources and losses of organic carbon in surface waters in the United States.The result has indicated that streams act ... Read more...

Posted in Health Science |

Increasing CO2 ‘causing plants to release less water to atmosphere’


March 4th, 2011 - 2:43 pm ICT by ANI
Washington, March 04 (ANI): Scientists have reported that as carbon dioxide levels have risen during the last 150 years, the density of pores that allow plants to breathe has dwindled by 34 ... Read more...

Posted in Health Science |

Higher CO2 could change plant evolution


February 17th, 2011 - 5:45 pm ICT by ANI
Washington, Feb 17 (ANI): Scientists at the University of Michigan have suggested that rising carbon dioxide levels associated with global warming may affect interactions between plants and the insects that eat them, ... Read more...

Posted in Health Science |

Earth’s hot past indicates much hotter future


January 16th, 2011 - 4:43 pm ICT by IANS
Washington, Jan 16 (IANS) Earth's hot past indicates a much hotter future than projected if the pace of greenhouse emissions continues unabated.The study warns that if CO2 emissions continue at their current ... Read more...

Posted in Sci-Tech |

Climate change to precipitate Antarctic ice sheet collapse


January 10th, 2011 - 2:14 pm ICT by IANS
Toronto, Jan 10 (IANS) Rising carbon dioxide levels will precipitate the collapse of the West Antarctic ice sheet by the year 3000, causing sea levels to rise by four metres. The study ... Read more...

Posted in Sci-Tech |

Bering Sea floor sheds light on last major global warming period


January 5th, 2011 - 5:12 pm ICT by ANI
Washington, Jan 5 (ANI): Researchers at the University of California at Santa Cruz have found that the sediments at the bottom of the Bering Sea indicate that that the region was ice-free ... 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 |

New study gives clues about carbon dioxide patterns at end of Ice Age


October 26th, 2010 - 5:11 pm ICT by ANI
London, Oct 26 (ANI): A new study has put to rest the mystery of where old carbon was stored during the last glacial period.It turns out it ended up in the icy ... Read more...

Posted in Health Science |

Sea levels to rise upto 70 cm by 2100


August 25th, 2010 - 5:56 pm ICT by IANS
London, Aug 25 (IANS) Sea levels are likely to rise by 30 to 70 centimetres by 2100, even if the most aggressive geo-engineering schemes are undertaken to curb global warming and greenhouse ... Read more...

Posted in Sci-Tech |

Global warming shrank carnivores 55 million years ago


August 25th, 2010 - 4:40 pm ICT by ANI
Washington, Aug 25 (ANI): Extinct carnivorous mammals shrank in size during a global warming event that occurred 55 million years ago, according to a new University of Florida study.The study describes a ... Read more...

Posted in Health Science |

New organic charcoal-like substance could offset global warming


August 11th, 2010 - 3:55 pm ICT by ANI
London, Aug 11 (ANI): Biochar, a charcoal-like substance made from plants and other organic materials, could offset as much as 12 percent of world's greenhouse emissions."Biochar offers one of the few ways ... Read more...

Posted in Health Science |

Over 445mn years old Earth climate recreated


August 10th, 2010 - 12:45 pm ICT by ANI
Washington, Aug 10 (ANI): Geologists have recreated Earth's climate belts that existed between 460 and 445 million years ago.An international team of scientists including Mark Williams and Jan Zalasiewicz of the Geology ... Read more...

Posted in Health Science |

New approaches to crop development needed urgently


July 8th, 2010 - 4:41 pm ICT by ANI
Washington, July 8 (ANI): As the world population grows grain production must increase two fold by 2050 to address its escalating needs. But crop yields will suffer unless new approaches to adapt ... 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 |

CO2 dictated global climate pattern


June 18th, 2010 - 2:45 pm ICT by IANS
Washington, June 18 (IANS) Carbon dioxide levels explain why temperatures in tropical oceans and arctic waters have changed together for the past 2.7 million years, says a study. The findings led by a ... Read more...

Posted in Sci-Tech |

Himalayan glaciers won’t shrink by 2035


June 11th, 2010 - 1:08 pm ICT by ANI
London, June 11 (ANI): Global warming will not shrink the Himalayan glaciers that feed Asia's five largest rivers by 2035, as was previously believed, according to the most detailed analysis yet of ... 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 |

Old age falling tied to altered blood flow in brain


May 18th, 2010 - 2:21 pm ICT by ANI
Washington, May 18 (ANI): Altered blood flow in the brain due to high blood pressure and other conditions may lead to falls in elderly people, a new study has shown.The research has ... Read more...

Posted in Health Science |

Sighing keeps our breathing systems flexible


May 11th, 2010 - 1:12 pm ICT by ANI
Washington, May 11 (ANI): Here's why we sigh: it is critical for keeping our breathing systems flexible, says a research.Scientists have found that sighing resets breathing patterns that are getting out of ... 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 |

Near death experience? It’s trick of the mind


April 9th, 2010 - 5:28 am ICT by IANS
London, April 9 (IANS) How many times you have come across survivors who tell describe their "near death experiences"(NDE)? Now scientists believe that they have decoded the secret behind these experiences. Rather than ... Read more...

Posted in World |

Near death experiences may be due to high CO2 level


April 8th, 2010 - 4:35 pm ICT by IANS
London, April 8 (IANS) Near death experiences (NDEs), which include sensations like life flashing before the eyes, peace and joy, and seeming encounters with mystical entities, may be caused by raised levels ... Read more...

Posted in Sci-Tech |

Blame CO2 in blood for ‘near-death experiences’


April 8th, 2010 - 12:29 pm ICT by ANI
Washington, Apr 8 (ANI): Excess carbon dioxide in the blood could be the cause behind near-death experiences such as seeing "a bright light at the end of a tunnel", according to a ... Read more...

Posted in Health Science |

CO2 negatively affecting environment of world’s oceans


February 6th, 2010 - 4:06 pm ICT by ANI
Washington, Feb 6 (ANI): A scientist has said that the increasing acidity of the world's oceans and its growing threat to marine species are definitive proof that the atmospheric carbon dioxide (CO2) ... Read more...

Posted in Health Science |

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