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Keyword: watervapor

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  • Dems push to ban e-cigs on Capitol grounds

    02/05/2014 3:13:57 PM PST · by Tolerance Sucks Rocks · 51 replies
    The Hill ^ | February 5, 2014 | Elise Viebeck
    Seven Democratic lawmakers are pushing to ban the use of electronic cigarettes on the grounds of the Capitol complex as part of a wider campaign against them. Led by the Senate's second-ranking Democrat, Dick Durbin (Ill.), the group called on rulemaking committees in both chambers to include e-cigarettes in the Capitol's existing ban on smoking in public places and near building entrances. "Given preliminary [federal] research finding harmful chemicals present in e-cigarettes, measures should be taken to ensure that the public is equally protected from the potential dangers posed by e-cigarettes and their vapor," the lawmakers wrote Tuesday. Via a...
  • It's Not the Heat. It's the Humidity

    01/20/2013 12:01:46 AM PST · by kathsua · 4 replies
    Lawrence Journal world ^ | January 19, 2013 | Reasonmclucus
    Climatologists pay too little attention to the role water plays in earth's energy system, including the way water vapor affects air temperature. Water's potential to affect air temperature is well established in science. As I have noted in previous posts the ability of CO2 to affect temperature is highly questionable. Those who spend much time in greenhouses know that they are often very humid places because water evaporates from plants and from surfaces that get wet when the plants are watered. Meteorologists typically refer to the water vapor content of the air as relative humidity which is how close the...
  • Water vapor accounts for a whopping 90% or more of Earth's greenhouse effect! CO2 very minor player

    02/15/2010 5:52:36 AM PST · by ETL · 85 replies · 1,210+ views
    several sources
    Three article excerpts... From JunkScience.com: So, greenhouse [effect] is all about carbon dioxide, right? Wrong. The most important players on the greenhouse stage are water vapor and clouds [clouds of course aren't gas, but high level ones do act to trap heat from escaping, while low-lying cumulus clouds tend to reflect sunlight and thereby help cool the planet -etl]. Carbon dioxide has been increased to about 0.038% of the atmosphere (possibly from about 0.028% pre-Industrial Revolution) while water in its various forms ranges from 0% to 4% of the atmosphere and its properties vary by what form it is in...
  • CO2 a threat under Clean Water Act? - EPA agrees to study acidic seas; move adds to regulation...

    04/14/2009 8:11:59 PM PDT · by neverdem · 11 replies · 856+ views
    msnbc.com ^ | April 14, 2009 | NA
    EPA agrees to study acidic seas; move adds to regulation momentum The Obama administration took another step toward regulating carbon dioxide, issuing a notice Tuesday that the Environmental Protection Agency will review whether those emissions should fall under the Clean Water Act. The EPA earlier this year determined that C02 should be regulated under the Clean Air Act due to its impact on temperatures. But Tuesday's notice — soliciting scientific data as to what extent seas are made more acidic by C02 — could extend regulation out to U.S. waters. The notice was in response to a petition filed by...
  • Out With A Shiver: Global Warming Protest Frozen Out by Massive Snowfall

    03/02/2009 4:59:52 PM PST · by tobyhill · 41 replies · 2,275+ views
    fox news ^ | 3/2/2009 | Joseph Abrams
    Global warming activists stormed Washington Monday for what was billed as the nation's largest act of civil disobedience to fight climate change -- only to see the nation's capital virtually shut down by a major winter storm. Schools and businesses were shuttered, lawmakers cancelled numerous appearances and the city came to a virtual standstill as Washington was blasted with its heaviest snowfall of the winter. It spelled about six inches of trouble for global warming activists who had hoped to swarm the Capitol by the thousands in an effort to force the government to close the Capitol Power Plant, which...
  • Water vapor's effects on atmosphere are debated

    12/21/2008 9:05:03 PM PST · by neverdem · 30 replies · 1,168+ views
    San Luis Obispo Tribune ^ | Dec. 21, 2008 | GREG GORDON
    Ron Ace's idea to cool the planet by evaporating water could provoke controversy because it collides head-on with a concern of environmental scientists: that water vapor is a potent greenhouse gas. A recent Texas A&M University study, based on satellite data from the National Aeronautics and Space Administration, warned that if water vapor levels in the atmosphere continue to rise, it "could guarantee" an increase of several degrees Celsius in the Earth's temperatures over the next century. These scientists warned of potential "positive feedback," in which water vapor traps heat near the surface, the warmer temperatures cause increasing ocean surface...
  • Water Vapor Confirmed as Major Player in Climate Change

    11/23/2008 5:02:55 AM PST · by billorites · 66 replies · 1,748+ views
    Nasa.gov ^ | November 17, 2008
    Water vapor is known to be Earth’s most abundant greenhouse gas, but the extent of its contribution to global warming has been debated. Using recent NASA satellite data, researchers have estimated more precisely than ever the heat-trapping effect of water in the air, validating the role of the gas as a critical component of climate change. Andrew Dessler and colleagues from Texas A&M University in College Station confirmed that the heat-amplifying effect of water vapor is potent enough to double the climate warming caused by increased levels of carbon dioxide in the atmosphere. With new observations, the scientists confirmed experimentally...
  • It's Not the Heat. It's the Humidity

    12/09/2007 8:48:20 PM PST · by kathsua · 10 replies · 291+ views
    Those who spend much time in greenhouses know that they are often very humid places because water evaporates from plants and from surfaces that get wet when the plants are watered. Meteorologists typically refer to the water vapor content of the air as relative humidity which is how close the air is to holding as much water vapor as it can hold at its current temperature. Unfortunately many climatologists waste so much time on the nonexistent impact of radiation on air temperature that they don't provide sufficient emphasis to the significant impact of water vapor on air temperature. Those who...
  • Does CO2 really drive global warming?

    04/04/2007 5:41:57 AM PDT · by E. Pluribus Unum · 168 replies · 3,485+ views
    May 2001 Chemical Innovation, May 2001, Vol. 31, No. 5, pp 44—46 ^ | May 2001 | Robert H. Essenhigh, E. G. Bailey Professor of Energy Conversion, Ohio State University
    Does CO2 really drive global warming? I don’t believe that it does.To the contrary, if you apply the IFF test—if-and-only-if or necessary-and-sufficient—the outcome would appear to be exactly the reverse. Rather than the rising levels of carbon dioxide driving up the temperature, the logical conclusion is that it is the rising temperature that is driving up the CO2 level. Of course, this raises a raft of questions, but they are all answerable. What is particularly critical is distinguishing between the observed phenomenon, or the “what”, from the governing mechanism, or the “why”. Confusion between these two would appear to be...
  • A complicated death (link between climate change and frog extinctions in Costa Rica)

    01/12/2006 7:40:32 AM PST · by cogitator · 31 replies · 492+ views
    Last year was the hottest on record, or the second hottest, depending on the records climatologists look at. The planet has warmed .8 degrees C over the past 150 years, and scientists are generally agreed that greenhouse gases have played a major part in that warming. They also agree that the warming will continue in the decades to come. Many experts are concerned that warming may make two unpleasant things more common: extinctions and diseases. In tomorrow's issue of Nature (link to come here), a team of scientists report on a case that ties these two dangers together: frogs have...
  • A Case of the Vapors

    04/05/2004 7:06:59 PM PDT · by farmfriend · 21 replies · 231+ views
    Tech Central Station ^ | 04/05/2004 | Vincent Gray
    A Case of the Vapors By Vincent Gray Water vapor is the most important greenhouse gas, a fact which is agreed by all climate scientists, but is concealed or covered up by politicians, environmentalists, journalists and scientists alike. It is difficult to give a figure on how important water vapor is, since the infra red absorption spectrum of water vapor overlaps that of carbon dioxide. Published figures range from estimates of between 60% and 90% of the total greenhouse effect coming from water vapor. Apart from its role as vapor, water has a large influence on the climate from its...
  • Astronomy Picture of the Day 9-21-02

    09/21/2002 2:04:48 AM PDT · by sleavelessinseattle · 16 replies · 246+ views
    NASA ^ | 9/21/02 | STS-35
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 September 21 Moonset, Planet Earth Credit: STS-35 Crew, NASA Explanation: During the Astro-1 astronomy mission of December, 1990, Space Shuttle astronauts photographed this stunning view of the setting full moon poised above the Earth's limb. In the foreground, towering clouds of condensing water vapor mark the extent of the troposphere, the lowest layer of the planet's life-sustaining atmosphere. Strongly scattering blue sunlight, the upper atmospheric layer, the...