...conclusion that the scientists of the world working on assessing the problem are absolutely certain that emissions resulting from human activities are...substantially increasing the atmospheric concentrations of greenhouse gases. These increases will enhance the greenhouse effect, resulting on average in an additional...

...the report. The report's Executive Summary states that "emissions resulting from human Introduction activities are substantially increasing the atmospheric...greenhouse effect, resulting on average in an additional warming of the Earth's surface. The main greenhouse gas, water vapor, will increase in response to...

...there is a natural greenhouse effect which already keeps the Earth wanner than it would otherwise be. o emissions resulting from human activities are substantially...of the greenhouse gases: carbon dioxide, methane, the chlorofluorocarbons and nitrous oxide. These increases will enhance the greenhouse effect, resulting...

...atmospheric concentrations of the greenhouse gases, carbon dioxide, methane, chlorofluorocarbon [CFE], and nitrous oxide. These increases will enhance the...greenhouse effect, resulting, on average, in an additional warming of the Earth's surface. The main greenhouse gas, water vapor, will increase in response to...

...atmospheric concentrations of the greenhouse gases: carbon dioxide, methane, the chlorofluorocarbons and nitrous oxide. These increases will enhance the...greenhouse effect, resulting on average in an additional warming of the Earth's surface. The greenhouse gas, water vapor, will increase in response to global...

...please? Mr. SIKORSKI. Sure. They say, "We are certain of the following:" — and this is the second — "Emissions resulting from human activities are substantially...atmospheric concentrations of the greenhouse gases" — and then they name them — "carbon dioxide, methane, chlorofluorocarbons, and nitrous oxide. These...

...uncertainties surrounding climate change . The key findings are: o In regard to science, the report concludes that emissions resulting from human activities are...substantially increasing the atmospheric concentrations of greenhouse gases, and that these increases will enhance the greenhouse effect, resulting on average...

...uncertainties surrounding climate change. The key findings are: — In regard to science, the report concludes that emissions resulting from human activities are...substantially increasing the atmospheric concentrations of greenhouse gases, and that these increases will enhance the greenhouse effect, resulting on average...

...There is a natural greenhouse effect which already keeps the Earth warmer than it would otherwise be. Emissions resulting from human activities are substantially...greenhouse effect, resulting on average in an additional warming of the Earth's surface. The main greenhouse gas, water vapour, will increase in response to...

...Panel on Climate Change (involving scientists from all over the world) repeated Its earlier findings that, 'emissions resulting from human activities are...gases: carbon dioxide, methane, chlorofluorocarbons, and nitrous oxide,' and The evidence from the modelling studies, from observations and sensitivity...