co2 concentrations

How hot was earth 50 million years ago?


July 6th, 2011 - 4:14 pm ICT by IANS
Washington, July 6 (IANS) A much clearer picture of the Earth's temperature nearly 50 million years ago, when Carbon Dioxide (CO2) concentrations were higher than current levels, has emerged. A ... Read more...

Posted in World |

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 |

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 |

The good, bad and the ugly about carbon sequestration


June 28th, 2010 - 2:10 pm ICT by ANI
London, June 28 (ANI): Carbon sequestration is fast gaining popularity as a way to counter global warming. However, its effectiveness and consequences are not yet fully understood. Now, a Niels Bohr Institute ... Read more...

Posted in Health Science |

Indian origin climate researcher, partner say Copenhagen Accord objectives an uphill task


May 4th, 2010 - 1:55 pm ICT by ANI
San Diego US, May 4 (ANI): Two climate change researchers have warned that the goals spelt out in the Copenhagen Accord will be a "Herculean" task.Indian origin Veerabhadran Ramanathan and Yangyang Xu, ... Read more...

Posted in World |

Scientists solve mystery of high-CO2 Ice Age


March 9th, 2010 - 3:08 pm ICT by ANI
London, March 9 (ANI): A team of scientists has claimed to have solved the mystery about the so-called high level of carbon dioxide (CO2) present in the atmosphere during the big ice ... Read more...

Posted in Health Science |

Global temperatures could rise more than expected


December 21st, 2009 - 1:16 pm ICT by ANI
Washington, December 21 (ANI): A new study led by Yale University geologists has suggested that the kinds of increases in atmospheric carbon dioxide (CO2) taking place today could have a significantly larger ... Read more...

Posted in Health Science |

Newly identified enzymes may help plants sense elevated CO2


December 14th, 2009 - 1:35 pm ICT by ANI
Washington, December 14 (ANI): Biologists have identified plant enzymes that may help plants sense elevated carbon dioxide (CO2) to use water more efficiently, which could help to engineer crops that take advantage ... Read more...

Posted in Health Science |

Earth more sensitive to CO2 than estimated


December 7th, 2009 - 2:22 pm ICT by IANS
London, Dec 7 (IANS) The earth's temperature may be 30 to 50 percent more sensitive to atmospheric carbon dioxide (CO2) than has previously been estimated, says a new study. The results show that ... Read more...

Posted in Environment |

Ocean acidification may contribute to global shellfish decline


October 27th, 2009 - 2:58 pm ICT by ANI
Washington, October 27 (ANI): In a new study, scientists have found that ocean acidification may contribute to global shellfish decline, as elevated carbon dioxide (CO2) concentrations impede growth and survival of bivalve ... Read more...

Posted in Health Science |

Climate change rate over next century could be higher than previously anticipated


October 10th, 2009 - 3:22 pm ICT by ANI
Washington, October 10 (ANI): In a new experiment, scientists have found that the rate of climate change over the next century could be higher than previously anticipated.The results of the experiment at ... Read more...

Posted in Health Science |

Elevated water temperature and higher CO2 boosts growth of key sea star species


June 2nd, 2009 - 3:44 pm ICT by ANI
Washington, June 2 (ANI): A new research by zoologists has indicated that elevated water temperatures and heightened concentrations of carbon dioxide (CO2) can dramatically increase the growth rate of a keystone species ... Read more...

Posted in Health Science |

Shellfish threatened by rising levels of CO2


May 27th, 2009 - 12:20 pm ICT by ANI
Washington, May 27 (ANI): In a new research, scientists have discovered that shellfish are threatened from rising levels of atmospheric carbon dioxide (CO2) that contribute to the acidification of open ocean.The research ... Read more...

Posted in Health Science |

Acidic oceans may spell doom for coral ecosystems by 2100


June 9th, 2008 - 12:53 pm ICT by ANI
Washington, June 9 (ANI): In a new research, scientists have warned that as oceans become more acidic by the year 2100, coral ecosystems may start to vanish because of an invasion ... Read more...

Posted in National |

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