Sentences with phrase «dioxide as a contributor»

Not exact matches

Following the discovery of volcanic rocks of the same age as the extinction, volcanic carbon dioxide (CO2) emissions had previously been suggested as an important contributor to this extinction event.
The largest contributor to global warming is carbon dioxide and as it remains in the atmosphere for a long time, it works cumulatively.
But HFCs remain a small contributor to meeting the grand challenge of stabilizing climate, with many centuries of heating of the climate and oceans being driven predominantly by the unrelenting buildup of long - lasting carbon dioxide, as Raymond Pierrehumbert of Oxford University and others have shown.
If the goal of climate policy is to stabilize concentrations of carbon dioxide, then air capture technologies should be enthusiastically welcomed as a possible contributor to achieving that goal.
Deforestation is a frequently overlooked source of carbon dioxide emissions and a significant contributor to climate change, as trees, which store carbon, instead release it when they are burned during slash - and - burn land clearing of forests.
Planting rice [image credit: BBC] As the report concludes: «Both global warming and carbon dioxide have benefitted plant growth, and both are important contributors to the success of modern civilization.»
Indeed, strong observational evidence and results from modeling studies indicate that, at least over the last 50 years, human activities are a major contributor to climate change.Direct human impact is through changes in the concentration of certain trace gases such as carbon dioxide, chlorofluorocarbons, methane, nitrous oxide, ozone, and water vapor, known collectively as greenhouse gases.
While natural factors certainly affect the climate, human factors are the main contributor to global warming, and carbon dioxide has acted as the «primary control knob» governing the earth's relatively recent uptick in temperature.
Scientists have identified carbon dioxide gases as the leading contributor to global warming, a phenomenon that threatens to progressively increase the temperature of the planet.
Recent research finds that methane release from thawing permafrost may outpace carbon dioxide as a major contributor to global warming over the next century.
He described Pruitt's claim that carbon dioxide is not a primary contributor to climate change as «shocking,» likening it to the tobacco industry's refusal to acknowledge the link between smoking and lung cancer.
According to the EPA, methane is a particularly big contributor to climate change, as it has 28 to 36 more global warming potential than carbon dioxide emissions.
Unfortunately, coal combustion is a major contributor to global greenhouse gas emissions as well, accounting for 30 % of total anthropogenic carbon dioxide (CO2) emissions worldwide, and 72 % of CO2 emissions from global power generation.
a b c d e f g h i j k l m n o p q r s t u v w x y z