Sentences with phrase «dioxide emissions from human activity»

The critical question is whether carbon dioxide emissions from human activity are significantly affecting climate patterns.
Fossil fuels supplied about 81 % of the primary energy consumed in the United States and were responsible for about 93 % of total U.S. carbon dioxide emissions from human activity in 2015.
Please note the last sentence of 71 pages from Exhibit 5: presentation on «Understanding how carbon dioxide emissions from human activity contribute to global climate change»).
Perry has questioned the scientific consensus that carbon dioxide emissions from human activity are the primary driver of climate change.
«My perspective is that it is not settled science,» he told the Senate spending panel, arguing that the jury is still out on whether carbon dioxide emissions from human activities are driving global warming.
His video illustrates what carbon dioxide emissions from human activities would look like if you could watch the gas volume accumulate in front of you in real - time.
NGOs argue for reductions to carbon dioxide emissions from human activities (i.e. anthropogenic CO2 emissions) because it is assumed that these emissions are causing the recent rise of carbon dioxide in the air.
«Combined, the Earth's land and ocean sinks absorb about half of all carbon dioxide emissions from human activities,» said Paul Fraser of the Commonwealth Scientific and Industrial Research Organization.

Not exact matches

As emissions from human activities increase atmospheric carbon dioxide, they, in turn, are modifying the chemical structure of global waters, making them more acidic.
As more carbon dioxide enters the atmosphere, the global ocean soaks up much of the excess, storing roughly 30 percent of the carbon dioxide emissions coming from human activities.
Although carbon dioxide accounts for the vast majority of greenhouse gas emissions from human activities, methane emissions are also an important factor driving climate change.
He led the effort to catalogue sulfur dioxide emissions sources from human activities and volcanoes and to trace emissions derived from the satellite observations back to their source by using wind data.
Carbon sequestration is a promising strategy for mitigating carbon dioxide emissions resulting from human activity.
Carbon dioxide and other greenhouse gas emissions from human activities.
I often try to step back and take the point of view of the atmosphere in considering claims of progress on curbing emissions of carbon dioxide from human activities.
In a move widely interpreted as his effort to «out green» Gore, Bush pledged to include carbon dioxide, the main heat - trapping emission from human activities, in a basket of restricted power plant pollutants.
Emissions of carbon dioxide from the burning of fossil fuels have ushered in a new epoch where human activities will largely determine the evolution of Earth's climate.
The reporter, Karen Youso, wrote that the city's tree - lighting practices, with 60,000 incandescent bulbs burning around the clock for five and a half weeks, costs about $ 1,300 and results in 18.7 tons of carbon dioxide, the main heat - trapping emission from human activities.
«The primary cause of both trends is emissions of carbon dioxide and other greenhouse gases from industry, transport and other human activities.
But the IPCC concerns itself with consideration of anthropogenic (i.e. man - made) global warming (AGW) as a result of emissions of greenhouse gases (notably carbon dioxide, CO2) from human activities.
Like DiCaprio's short film Carbon, released in the weeks prior to the United Nations» Climate Summit 2014, Before the Flood is based on the highly debatable hypothesis that carbon dioxide (CO2) emissions from human activities are causing catastrophic climate change.
«It's [the increase in carbon dioxide through increased emissions from human activities] the only variable that can best explain the rapid increase in global temperatures.»
Meanwhile, emissions of carbon dioxide from human activities may be decreasing; he said they shrank slightly in 1998 and 1999, even as the global economy grew.
The warming of the Earth is largely the result of emissions of carbon dioxide (CO2) and other greenhouse gases from human activities.
Of the world's total carbon dioxide emissions only a small fraction comes from the activities of human beings, but it is that small fraction that might threaten the equilibrium between the much greater flows.
That is just 1 percent of the total carbon dioxide emissions which come from all human activity.
Remember that this is the same Professor who believes that ``... the Great Barrier Reef will benefit from rising seas, that there is no correlation between carbon dioxide levels and temperature, that only 0.1 % of carbon dioxide emissions are due to human activities, and that 96 % of the greenhouse effect is due to water vapour.»
Since the Industrial Revolution, emissions from human activities of greenhouse gases such as carbon dioxide have driven the earth's climate system dangerously outside of its normal range.
¶ ¶ 38 («when used -LSB-,]... fossil fuels release greenhouse gases), 39 («use of fossil fuels emits carbon dioxide»), 45 («emissions resulting from human activities are substantially increasing... greenhouse gases»), 48 («increase in atmospheric carbon dioxide caused by the combustion of fossil fuels»), 52 («fossil fuels -LSB-,]... when combusted, emit carbon dioxide»).
This warming is largely the result of emissions of carbon dioxide and other greenhouse gases from human activities... — Global Warming Basics World Wildlife Fund
The identification of other, sometimes more powerful, greenhouse gases such as methane, the contributions to atmospheric carbon dioxide from other human activities such as deforestation and cement manufacture, better understanding of the temperature - changing properties of atmospheric pollution such as sulphur emissions, aerosols and their importance in the post-1940s northern hemisphere cooling: the knowledge - base was increasing year by year.
Read / Purchase the Report Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia (2011) Emissions of carbon dioxide from the burning of fossil fuels have ushered in a new epoch where human activities will largely determine the evolution of Earth's climate.
[7][8] The vast majority of anthropogenic carbon dioxide emissions (i.e., emissions produced by human activities) come from combustion of fossil fuels, principally coal, oil, and natural gas, with comparatively modest additional contributions coming from deforestation, changes in land use, soil erosion, and agriculture.
97 % of climate scientists agree that global warming trends are clear and «extremely likely» due to human activities, most prominently the rising emissions of carbon dioxide from the burning of fossil fuels.
«There is no evidence, neither empirical nor theoretical, that carbon dioxide emissions from industrial and other human activities can have any effect on global climate.
The only way to do that is to reduce the output of so - called greenhouse gasses, caused primarily by carbon dioxide emissions from industry, automobiles and other human activities, Horton said.
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