co2 levels

Antarctica was once a tropical paradise


August 2nd, 2012 - 8:07 pm ICT by IANS
London, Aug 2 (IANS) The chilly continent of Antarctica was once a tropical paradise where palm trees swayed on the green shores, a study has found.Around 50 million years ago, ... Read more...

Posted in World |

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 |

Evidence confirms CO2 spikes ended ice age


April 8th, 2012 - 7:28 pm ICT by IANS
Washington, April 8 (IANS) Harvard scientists are helping show the fullest picture of how global spikes in carbon dioxide (CO2) combined to finish off the last ice age 20,000 to ... Read more...

Posted in Uncategorized |

CO2 threatens fish’s very survival in oceans


January 16th, 2012 - 4:59 pm ICT by IANS
Sydney, Jan 16 (IANS) Can you imagine seas and oceans completely bereft of colourful fish? The possibility may not be all that far-fetched, thanks to rising carbon dioxide (CO2) ... Read more...

Posted in Uncategorized |

Global warming disrupts natural patterns of glaciation


January 9th, 2012 - 10:12 pm ICT by IANS
Washington, Jan 9 (IANS) Unprecedented levels of greenhouse gases are disrupting normal patterns of glaciation, setting back the process of the earth's cooling as it did in its prehistoric past.That ... Read more...

Posted in Uncategorized |

Cutting CO2 levels by 2100 necessary for survival


August 8th, 2011 - 5:34 pm ICT by IANS
Theoptionsincludeusingmorenuclearandrenewableenergy,choosingelectricityoverfossilfuels,minimisingemissionsthroughcarboncapturetechnologies,evenusingforeststostorecarbon.Fiveyearsago,theIntergovernmentalPanelonClimateChange(IPCC)askedtheclimatesciencecommunitytoprovidescenariosofgreenhousegasemissionsandlandusechangetoguidecomputermodelsthatsimulatepotentialchangestoEarth'sclimate.ResearchersfromtheJointGlobalChangeResearchInstitute(JGCRI)introducedthework,calledtheRCP4.5scenario,oneoffourscenariosthatscientistswilluseworldwidetostudyhowclimatemightrespondtodifferentincreasesofgreenhousegases."Withoutanyaction,theemissions,andtheheattrappedintheatmosphere,wouldbemuchhigher,leadingtomoresevereclimatechange,"saidAllisonThomson,ascientistatJGCRI,reportsthejournalClimaticChange.JGCRIisacollaborationbetweentheUSDepartmentofEnergy'sPacificNorthwestNationalLab(PNNL)inWashingtonandtheUniversityofMaryland,accordingtoJGCRIstatement.TheteamusedthePNNLGlobalChangeAssessmentModel(GCAM)togeneratethescenario.Unlikesimilarmodels,itincludescarbonstoredinforests,causingforestacreagetoincrease,includingbiofuelsgeneratedfromcropsandcropwaste."Thisscenarioandtheotherthreeproducedinthisprojectwillprovideacommonthreadforclimatechangeresearchacrossmanydifferentsciencecommunities,"Thomsonadded.--Indo-AsianNewsService st/am/dg Read more...

Posted in Environment |

Crop with deeper roots could slash CO2 levels


August 4th, 2011 - 1:32 pm ICT by IANS
London, Aug 4 (IANS) Rearing crops whose roots burrow a metre deeper into the ground than those of existing plants could slash carbon dioxide (CO2) levels. Douglas Kell, professor of ... Read more...

Posted in Uncategorized |

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 |

Rising carbon dioxide emissions linked to spike in hay fever in Europe


April 9th, 2011 - 4:09 pm ICT by ANI
Washington, April 09 (ANI): A continent-wide study has indicated that carbon dioxide emissions may be raising the pollen counts in European cities.Researchers from 13 EU nations analysed pollen levels for more than ... Read more...

Posted in World |

EU to ban cars from cities by 2050


March 29th, 2011 - 9:55 pm ICT by Aishwarya Bhatt
London, Mar 29 (THAINDIAN NEWS) European cities would not be a place for cars come 2050, according to a new plan issued by the EU on Monday.The EU is determined to cut ... Read more...

Posted in World News |

More warm, acidic oceans will require greater reef care


February 15th, 2011 - 5:32 pm ICT by ANI
Washington, Feb 15 (ANI): A new study has said that the more our oceans become warmer and acidic, the harder we will have to work to save our coral reefs.Dr Ken Anthony ... Read more...

Posted in Health Science |

West Antarctic ice sheet would collapse by year 3000: Study


January 10th, 2011 - 2:21 pm ICT by ANI
London, Jan 10 (ANI): By the dawn of this millennium, the West Antarctic ice sheet is likely to collapse and the global sea level may rise by nearly four meters, suggests a ... Read more...

Posted in Health Science |

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 |

Eggshells could help combat climate change, say Indian scientists


October 27th, 2010 - 1:16 pm ICT by ANI
Washington, Oct 27 (ANI): Indian researchers say that the food industry generates a lot of waste products, but one of these, eggshells, could help combat climate change.Basab Chaudhuri of the University of ... Read more...

Posted in Health Science |

Earth’s temperature ‘depends on CO2 levels in atmosphere’


October 15th, 2010 - 1:53 pm ICT by ANI
Washington, Oct 15 (ANI): A new atmosphere-ocean climate modeling study has shown that the planet's temperature ultimately depends on the atmospheric level of carbon dioxide and not only on water vapor and ... Read more...

Posted in Health Science |

High CO2 levels put oysters in trouble


August 6th, 2010 - 2:04 pm ICT by ANI
Washington, August 06 (ANI): A new research has found that oysters may be in serious trouble due to high level of carbon dioxide, caused by human behaviour.Inna Sokolova, associate professor of biology ... Read more...

Posted in Health Science |

Global warming-induced water changes to continue for decades


July 11th, 2010 - 2:00 pm ICT by ANI
Washington, July 11 (ANI): A reversal of human-induced temperature changes will not quickly return the hydrological cycle to its prewarming state, contrary to popular belief, according to a new study.Peili Wu ... Read more...

Posted in Health Science |

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 |

Increasing global warming could cause longer-lasting weather patterns


February 19th, 2010 - 4:45 pm ICT by ANI
Washington, Feb 19 (ANI): In a new study, University of Missouri (MU) researchers are studying whether increasing planet temperatures and carbon dioxide (CO2) levels could lead to atmospheric blocking and when this ... Read more...

Posted in Health Science |

Global warming could make world more ‘fragrant’


February 10th, 2010 - 2:44 pm ICT by ANI
London, Feb 10 (ANI): A major scientific review has indicated that as a result of climate change, the world will become more 'fragrant'.As CO2 levels increase and the world warms, land use, ... Read more...

Posted in Health Science |

Slow changes to Earth systems can amplify global warming


December 21st, 2009 - 1:52 pm ICT by ANI
Washington, December 21 (ANI): A new study has found that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse gases about 4.5 million years ago during the ... 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 |

Fiji student moves Copenhagen climate summit with appeal


December 7th, 2009 - 9:46 pm ICT by IANS
Copenhagen, Dec 7 (DPA) A young girl from the Fiji Islands moved participants at a climate change conference in Copenhagen Monday with a heartfelt appeal for her country to be saved from ... Read more...

Posted in World |

Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution


December 4th, 2009 - 5:23 pm ICT by ANI
Washington, December 4 (ANI): A new study by scientists has determined that elevated carbon dioxide (CO2) levels may mitigate losses of biodiversity from nitrogen pollution.The study involved a 10-year open-air outdoor experiment ... Read more...

Posted in Health Science |

‘Snowball’ Earth may have melted to a ‘mudball’


November 30th, 2009 - 12:46 pm ICT by ANI
London, November 30 (ANI): New evidence has emerged which indicates that the 'snowball' Earth 700 million years ago thawed out of its frozen stage by melting to a 'mudball'.Evidence for 'snowball' ... Read more...

Posted in Health Science |

Climate change may quicken with world’s oceans absorbing less CO2


November 25th, 2009 - 12:43 pm ICT by ANI
Washington, November 25 (ANI): A geophysicist from Yale University, US, has found that the world's oceans are absorbing less carbon dioxide (CO2), which could quicken the pace of climate change.The scientist in ... Read more...

Posted in Health Science |

Students, climate activists call for reducing CO2 levels in Kolkata


October 25th, 2009 - 12:17 pm ICT by ANI
Kolkata, Oct 25 (ANI): Students and climate activists took out a march here in support of '350 Day' - a day dedicated to climate action.Activists in 170 countries gathered at ... Read more...

Posted in National |

CO2 levels on Earth 15 mln yrs ago were as high as they are today


October 9th, 2009 - 2:46 pm ICT by ANI
Washington, October 9 (ANI): In a new research, a scientist of Indian origin has determined that carbon dioxide (CO2) levels on Earth 15 million years ago were as high as they are ... Read more...

Posted in Health Science |

Declining CO2 levels helped in Antarctic formation 34 million years ago


September 14th, 2009 - 12:45 pm ICT by ANI
Washington, September 14 (ANI): In a major research study, the link between declining carbon dioxide (CO2) levels in the earth's atmosphere and the formation of the Antarctic ice caps some 34 million ... Read more...

Posted in Health Science |

Warming turns global poor’s staple into poison


September 11th, 2009 - 2:01 pm ICT by IANS
Sydney, Sep 11 (IANS) Cassava - the staple of 750 million impoverished people in Africa, Asia and Latin America - is turning more toxic with much smaller yields, thanks to global warming ... Read more...

Posted in Sci-Tech |

Cockroaches can survive climate change by holding their breath to save water


August 18th, 2009 - 1:49 pm ICT by ANI
London, August 18 (ANI): A new study has found that cockroaches can hold their breath to save water, a trick that could help them to thrive in the face of climate change.When ... Read more...

Posted in Health Science |

Planet Earth heading for “catastrophic” and “irreversible” climate change by 2040


August 3rd, 2009 - 11:33 am ICT by ANI
Edinburgh, August 3 (ANI): A new research has claimed that carbon dioxide (CO2) levels are rising at a faster rate than the worst-case scenario envisaged by United Nations experts, with the planet ... Read more...

Posted in Health Science |

CO2 not only reason for curious spike in Earth’s temperature 55 million years ago


July 16th, 2009 - 2:15 pm ICT by ANI
Washington, July 16 (ANI): A new research has left scientists puzzled as it indicates that something other than carbon dioxide (CO2) was also responsible for a curious spike in Earth's temperature 55 ... Read more...

Posted in Health Science |

New crops needed in case of continued rise in CO2 levels


June 29th, 2009 - 4:57 pm ICT by ANI
Washington, June 29 (ANI): A new research has determined that new crops would be needed to be grown in the future if carbon dioxide (CO2) levels continue to rise.Global food security in ... Read more...

Posted in Health Science |

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