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Global Warming Worsening as Greenhouse Gases Climb

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  • npat1@juno.com
    This report by Mike Neuman focuses on the latest global products from NOAA NCDC on: August, 2003, June-August 2003... surface and Stratosphere temperatures.
    Message 1 of 1 , Sep 18, 2003
      This report by Mike Neuman focuses on the latest global products from
      NOAA NCDC on: August, 2003, June-August 2003... surface and Stratosphere


      This report at:

      Global Warming Worsening as Greenhouse Gases Climb
      Wednesday, 17 September 2003
      by Michael T. Neuman

      Summary: As Earth's atmosphere continues to become more concentrated with
      carbon dioxide gas and other heat-trapping greenhouse gases (GHGs) from
      humans burning fossil fuels for energy -- in automobiles, trucks,
      airplanes, locomotives, ships, boats, race cars, ATVs, residential and
      industrial furnaces, electricity-generating fossil fuel fired power
      plants, military transport vehicles and other fuel burning sources --
      temperature readings of the oceans, land surface and lower troposphere
      continue to climb, without interruption.

      The National Oceanic and Atmospheric Administration (NOAA)'s National
      Climate Data Center(NCDC) reported Monday that August 2003 temperatures
      across the Northern Hemisphere were the highest in recorded history.

      Temperatures in June, July and August (the boreal summer) were the second
      warmest across the Northern Hemisphere, while average temperatures across
      the Southern Hemisphere for the same period were the third warmest since
      NOAA began keeping temperature record in 1880.

      August's average land and ocean temperature for both the North and South
      Hemisphere's (the entire planet) was the second warmest on record for
      August. Only the unusually warm year 1998 had August temperatures above
      this year's globally averaged temperatures.

      The warm global temperatures in August this year means that there have
      now been 88 consecutive months -- beginning with April 1997 -- when the
      monthly global average temperature has been "above normal" (i.e., above
      the average temperature for the month that occurred during the period
      1971 to the present).

      Meanwhile, temperatures in the lower stratosphere obtained via NOAA's
      TIROS-N polar-orbiting satellites show falling stratospheric

      The fact that the temperature levels in the lower stratosphere are
      falling is consistent with the fact that greenhouse gas levels in the
      lower troposphere have been rising, because as more heat is trapped below
      the stratosphere, less becomes available to warm the stratosphere.

      According to a recent study published in the "Journal of Geophysical
      Research Letters" (August 31, 2003), the Northern Hemisphere is warmer
      now than it's been in at least the last 2,000 years. The study examined
      the trunks of ancient trees, ice cores, vegetation patterns and
      historical records before concluding that the late 20th century warmth is
      "unprecedented for at least roughly the past two millennia for the
      Northern Hemisphere".

      Furthermore, the study reports that the earth as a whole has warmed
      faster in the last 20 years than its temperature fluctuates over the
      period of one hundred years.

      Recently, it has been reported that the hole in the stratosphere's ozone
      layer has grown larger this year than ever before.

      Global warming from excessive fossil fuel burning by humans could be the
      cause for the ozone hole's enlargement this year, say some scientists.

      A team of German, Swiss and British scientists had predicted in the March
      26 1999 issue of the journal "Science" that the cooler air in the
      stratosphere would lead to further depletion of ozone, because trace
      gases which normally protect the ozone in the stratosphere get reduced
      when stratospheric temperatures decline.

      Finally, there continue to people who, for whatever reason, question the
      facts regarding the Earth's temperatures actually increasing, many of
      whom also question any role increased accumulations of greenhouse gases
      in the atmosphere might be playing in causing global average temperatures
      to increase.

      The amount of greenhouse gases emitted to the atmosphere over the past
      150 years of fuel burning by humans, in inventions such as the
      automobile, coal and natural gas fired electricity generating plants,
      industrial furnaces, incandescent and florescent lights, air
      conditioning, airplanes, trucks, locomotives, ships, and other machines
      that rely on internal combustion for energy, is by no means a small
      amount, as many global warming skeptics commonly claim.

      In fact, the last 150 years of humans increasingly burning fossil fuels
      over much of the surface of the planet have led to unprecedented
      concentration levels of carbon dioxide (CO2) in the atmosphere (40%
      increases over background levels). According to laboratory analysis of
      ice cores take from deep within Greenland's glaciers, today's
      concentration levels of CO2 in the atmosphere are higher than they've
      been in at least the last 400,000 years, perhaps even millions of years
      before then, as well.

      In terms of the total weight, the weight of the CO2 added to the
      atmosphere in the last 100 years as a result of humans burning vast
      quantities of gasoline, coal and natural gas is estimated to have
      amounted to 170 billion tons of CO2 than had been present in the
      atmosphere in 1900! Since carbon dioxide has an average life in the
      atmosphere of 120 years, even if emissions of CO2 gas to the atmosphere
      from humans burning fossil fuels ceased today, the warming would

      "Our lives begin to end the day we become silent about things that
      - Martin Luther King, Jr.

      Madison IMC: http://madison.indymedia.org/

      This report at:

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