...regional scales on intensively managed and unmanaged terrestrial and oceanic ecosystems. APPENDIX PARTI: Executive Summary from Working Group I (verbatim from...gas, water vapor, will increase in response to global warming and further enhance it We calculate with confidence that: o some gases are potentially more...

...involving more than 300 scientists from 25 countries, concluded: "We arc certain of the following: emissions resulting from human activities are substantially...in an additional warming of the Earth's surface." Based on current models and "business-as usual" emissions the IPCC panel predicts that within a century...

...atmospheric concentrations of the greenhouse gases: carbon dioxide, methane, chlorofluorocarbons (CFCs) and nitrous oxide. These increases will enhance the...an additional warming of the Earth's surface. The main greenhouse gas, water vapor, will increase in response to global warming and further enhance it."...

...to increase, particularly carbon dioxide, methane, the chlorofluorocarbons, and nitrous oxide; that these increases will enhance the greenhouse effect,...average in an additional warming of the Earth's surface; that current models predict that with the 1PCC "business as usual" scenario (scenario A) of future...

...group, the IPCC report concludes: "We are certain tthat) emissions resulting from human activities ... enhance the greenhouse effect, resulting on average...an additional warming of the Earth's surface." The science group predicted that over the next century, global average temperatures will likely climb by...

...group, the IPCC report concludes: "We are certain (that) emissions resulting from human activities ... enhance the greenhouse effect, resulting on average...In an additional warming of the Earth's surface." Tbe science group predicted that over the next century, global average temperatures will likely climb...

...substantially increasing the atmosphenc concentrations of the greenhouse gases: carbon dioxide, methane, CFC's, and nitrous oxide. These increases will enhance the...an additional warming of the Earth's surface. The main greenhouse gas, water vapor, will increase in response to global warming and further enhance it....

...atmospheric concentrations of the greenhouse gases, carbon dioxide, methane, chlorofluorocarbons (CFCs) and nitrous oxide. These increases will enhance the...an additional warming of the Earth's surface. The main greenhouse gas, water vapour, will increase in response to global warming and further enhance...

...countries (the Intergovernmental Panel on Climate Change, or IPCC) concluded "with certainty" that these increases will enhance the greenhouse effect,...average in an additional warming of the earth's surface. In addition, the main greenhouse gas, water vapor, will increase in response to global wanning and...

...activities are substantially increasing the atnoapheric concentrations of greenhouse gaaee, and that these increases will enhance the greenhouse effect,...average in an additional warming of the Earth's surface and atmosphere and may adversely affect natural ecosystems and humankind, whilst noting that there...