Feb 13, 2009 . Levels of carbon dioxide, the main greenhouse gas from human activities, rose to

Jul 6, 2010 . The ocean's rising carbon dioxide levels may cause many coral reef fish to swim

Apr 14, 2011 . In general, high CO2 levels indicate the need to examine the HVAC system. High

Oct 3, 2011 . At the end of the last Ice Age, atmospheric carbon dioxide levels rose rapidly as

Rising Carbon Dioxide Levels Don't Increase Earth's Temperature Earth

Jun 14, 2010 . A carbon dioxide (bicarbonate) test helps find and keeps track of conditions that

The most recent geological history, in the last hundred thousand years, has been

Though carbon dioxide is not toxic itself, the amount found in the indoor

Parts per million is simply a way of measuring the concentration of different gases

Fossil Fuel Emission Levels - Pounds per Billion Btu of Energy Input. Pollutant,

Also known as: Total CO2; TCO2; Carbon Dioxide Content; CO2 Content; Bicarb;

Oct 8, 2009 . You would have to go back at least 15 million years to find carbon dioxide levels

There has been a climb in carbon dioxide concentrations in the atmosphere of

Feb 8, 2011 . The Mongol invasion may have caused a small reduction in global atmospheric

CDIAC's data holdings include records of the atmospheric concentrations of

May 15, 2008 . High-resolution carbon dioxide concentration record 650000–800000 years

Here are the current atmospheric carbon dioxide concentrations in the Salt Lake

Apr 24, 2008 . Atmospheric levels of carbon dioxide are continuing to rise at an accelerating

Jun 19, 2009 . Researchers have reconstructed atmospheric carbon dioxide levels over the past

The above "Keeling Curve" shows the increase in total concentrations of CO2 in

May 13, 2008 . Scientists say CO2 levels in atmosphere now stand at 387 parts per million up

Oct 3, 2011 . After the last ice age peaked about 18000 years ago, levels of atmospheric

Because the long-term evolution of carbon dioxide levels depends similarly on

Global warming is mainly the result of CO2 levels rising in the Earth's atmosphere

Rising carbon dioxide levels at end of last ice age not tied to Pacific Ocean, as

May 17, 2011 . The levels of carbon dioxide in the atmosphere in the distant past can be

Climate change surprise: High carbon dioxide levels can retard plant growth,

Carbon Dioxide Comfort Levels. CO2 acceptance and comfort levels. Sponsored

Carbon Dioxide Levels Jump Higher Than Experts' Worse Case Scenario. AP |

As of July 2011, carbon dioxide in the Earth's atmosphere is at a concentration of

May 31, 2011 . 2010 was a bad year for Greenhouse gas emissions, according to an

Carbon Dioxide through Geologic Time . it is very hard to say what precisely

carbon dioxide concentrations in the early Cenozoic era (about 60 Myr ago) are

Charles Keeling began precise monthly measurements of the concentration of

The concentration of carbon dioxide in the atmosphere has reached a record

Dec 20, 2010 . This posting discusses the role of carbon dioxide emitted from the burning of

In 1938, G.S. Callendar argued that the level of carbon dioxide was climbing and

The Earth's oceans contain a huge amount of carbon dioxide in the form of

Contents. Sources of Carbon Monoxide; Health Effects Associated with Carbon

Carbon Dioxide Concentrations in the Atmosphere . The concentrations of

Mar 26, 2002 . Carbon dioxide content: A measure of the bicarbonate level in the blood. The

The graph shows recent monthly mean carbon dioxide measured at Mauna Loa

Atmospheric carbon dioxide levels currently stand at about 390 parts per million (

CO2 is carbon dioxide. . CO2 levels in the blood are influenced by kidney and

Jul 14, 2011 . In addition to hosting and participating in such collaborations, the USGS also is

Atmospheric carbon dioxide saturation levels for the previous month and

Aug 31, 2011 . Carbon dioxide concentrations indoors can vary from several hundred ppm to

Carbon dioxide accumulation inside the home is normally related directly to the

CARBON DIOXIDE CONCENTRATION, separator bar, GLOBAL SURFACE

Oct 8, 2009 . You must go back 15 million years to find carbon dioxide levels as high as they

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