Sentences with phrase «increase emissions of carbon dioxide»

Many of the world's leading scientists believe that increased emissions of carbon dioxide since the industrial revolution have led to increased global temperatures and if left unchecked, they threaten to wreak havoc on Earth.
Thus, the hypothesis of current global warming as a result of increased emission of carbon dioxide (greenhouse gases) into the atmosphere is not true.
«In the event of continuously increasing emissions of carbon dioxide, as assumed in the least favorable scenario, scientists expect a rise in the global mean temperature by up to 4 °C by 2100.

Not exact matches

Basically, it is due to the ever - increasing levels of carbon dioxide and other greenhouse gas emissions humanity pumps into the atmosphere.
In any case, our past record of increased energy use has been accompanied by a seventeen-fold increase in carbon emissions, a thirteen-fold increase in sulfur dioxide emissions, and an eightfold increase in lead emissions to the atmosphere.
In most cases, the surcharges were initially met with hostility, but the positive effects have been hard to deny: Immediately following the initiation of zone charging, London saw congestion reduced by a quarter, average speeds increase by 30 percent, and carbon dioxide emissions decrease by 20 percent, per the Fix NYC report.
Mr Miliband said: «Any increase in carbon dioxide emissions is worrying, even though these figures do not include the effect of emissions trading.
Second, analysis of isotopes, which can distinguish among sources of emissions, demonstrates that the majority of the increase in carbon dioxide comes from combustion of fossil fuels (coal, oil and natural gas).
He also models the global warming that would occur if concentrations of greenhouse gases in the atmosphere were to be doubled (due to increases in carbon dioxide and methane emissions from dragons and the excessive use of wildfire).
These heat maps show carbon dioxide emission differences between drone and truck deliveries as a drone's energy requirements (measured in watt - hours per mile) and the number of stops on a route increase.
The ability of the oceans to take up carbon dioxide can not keep up with the rising levels of greenhouse gases in the atmosphere, which means carbon dioxide and global temperatures will continue to increase unless humans cut their carbon dioxide emissions.
The increased particulate matter can be attributed to the adoption of a gasoline direct - injection fuel system, which results in improved fuel economy and therefore lower carbon dioxide emission per mile driven.
Record emissions of carbon dioxide mean atmospheric concentrations have reached levels that lead to the highest temperature increases
If these rates continue, emissions of methane, a greenhouse gas 25 times more powerful than carbon dioxide on 100 - year time scales, will increase 4 percent over the next decade.
(The admirable original bill is designed to increase fuel efficiency in cars and light trucks, encourage production of biofuels, and provide funds to develop technology that will capture carbon dioxide emissions from power plants.)
To produce the supply, tropical countries have been converting their forests for crop and livestock production, leading to a loss of biodiversity and ecosystem services, such as carbon sequestration, flood protection or pollination, while increasing carbon dioxide emissions.
The earthworm invasion of North America is increasing carbon dioxide and nitrous oxide emissions from the soil.
Therefore, there is concern that the emissions of carbon dioxide from streams and rivers may increase due to climate change, accelerating the growth of this greenhouse gas in the atmosphere.
«The increased carbon dioxide emissions from the nine government - approved plants alone will more than cancel out all of the reductions in greenhouse gas emissions from China's recent investments in wind and solar electricity,» Yang said.
In a paper published this month in Geophysical Research Letters, Lovejoy concludes that a natural cooling fluctuation during this period largely masked the warming effects of a continued increase in human - made emissions of carbon dioxide and other greenhouse gases.
«If ozone continues to increase, vegetation will take up less and less of our carbon dioxide emissions, which will leave more CO2 in the atmosphere, adding to global warming,» Sitch says.
As growing carbon dioxide gas emissions have dissolved into the world's oceans, the average acidity of the waters has increased by 30 % since 1750.
«Recent advances in understanding coral resilience are essential to safeguard coral reefs: A review of the literature points to the importance of reducing global carbon dioxide emissions in addition to protecting or augmenting resilience mechanisms in the face of increased frequency of climate change impacts..»
Critics argue that albedo modification and other «geoengineering» schemes are risky and would discourage nations from trying to reduce their emissions of carbon dioxide, the heat - trapping gas that comes from the burning of fossil fuels and that is causing global warming by absorbing increasing amounts of energy from sunlight.
The U.S. saw a period of rapid economic growth and increased consumption of fossil fuels over the last few decades, leading to a corresponding large increase in carbon dioxide emissions.
As emissions from human activities increase atmospheric carbon dioxide, they, in turn, are modifying the chemical structure of global waters, making them more acidic.
For the first time, the researchers also showed that higher HTC production temperatures resulted in a significant reduction in emissions of methane (CH4) and ammonia (NH3) and an increase of carbon dioxide and carbon monoxide.
An analysis of 27 states found that, on average, summer emissions of sulfur dioxide (SO2), nitrogen oxides (NOx) and carbon dioxide (CO2) go up by hundreds to thousands of metric tons per degree Celsius increase.
Their intent, apparently, was to disparage the views of scientists who disagree with their contention that continued business - as - usual increases in carbon dioxide (CO2) emissions produced from the burning of coal, gas, and oil will lead to a host of cataclysmic climate - related problems.
«If there are no further interventions by these governments, expect to see strong increases in urban car travel and urban energy and carbon dioxide emissions in China and India and elsewhere around the world,» said Lew Fulton, a co-author and co-director of the NextSTEPS Program at the Institute of Transportation Studies at UC Davis.
The combined influences of population and affluence have been regarded as the core of environmental stress — and have tended to guarantee an annual increase in carbon dioxide emissions.
But any increase or reduction, the agency said, would be «extremely small and insignificant compared to total worldwide emissions of carbon dioxide and methane.»
A UFZ team of scientists led by Andreas Huth described in Nature Communications in spring of last year that fragmentation of once connected tropical forest areas could increase carbon emissions worldwide by another third, as many trees die and less carbon dioxide is stored in the edge of forest fragments.
Since carbon dioxide (CO2) is the natural by - product of the combustion of fuel, the increased standards would also address climate change by reducing tailpipe emissions of CO2.
Once all data are in, energy - related carbon dioxide (CO2) emissions in 2013 are expected to be roughly 2 % above the 2012 level, largely because of a small increase in coal consumption in the electric power sector.
Meanwhile, global emissions of carbon dioxide and other greenhouse gases continue to increase, promising far worse to come.
The continued increase in the atmospheric concentration of carbon dioxide due to anthropogenic emissions is predicted to lead to significant changes in climate1.
The amount of carbon dioxide dissolved in seawater is increasing due to fossil fuel emissions.
Like their predecessors, Bolin and Eriksson ran the calculations regarding possible temperature changes for a doubling of carbon dioxide, but this time assuming emissions would increase and increase yet more on an ever - steepening upward path.
The principal climate forcing, defined as an imposed change of planetary energy balance [1]--[2], is increasing carbon dioxide (CO2) from fossil fuel emissions, much of which will remain in the atmosphere for millennia [1], [3].
A massive expansion of land use for sugar cane growth in Brazil, and a subsequent increase in ethanol production with the feedstock could reduce global carbon dioxide emissions in the transportation sector by up to 86 percent of 2014 levels, according to research published in the October issue of the journal Nature Climate Change.
Electricity from power plants is responsible for 35 percent of carbon dioxide emissions in America, and this rise in emissions has also contributed to increased global warming.
With at least 160 hp and 148 lbs - ft of torque, these engines optimize air flow for maximum efficiency, increase power by 10 percent, and it also reduce carbon dioxide emissions by as much as 10 percent.
With fuel economy and carbon - dioxide emission regulations tightening around the globe, automakers must pay increasing attention to the efficiency of their cars — even the fast ones.
As a result, it affords precise control of the intake - valve events — beginning and end — which reduces engine - pumping losses, increases volumetric efficiency and cuts carbon - dioxide emissions.
Sports cars and performance cars are a favorite target of the save - the - earth crowd, of course, but I think I can make the argument that increased availability of fast cars in general — and «hot hatches» in particular — can actually make a positive impact on carbon - dioxide emissions.
Rather, conserving Amazonian forests both reduces the carbon dioxide flux from deforestation, which contributes up to a fifth of global emissions, and also increases the resilience of the forest to climate change.
Voigt et al (2016) «Warming of subarctic tundra increases emissions of all three important greenhouse gases — carbon dioxide, methane, and nitrous oxide» The research (now reported fully bar the detailed experimenting in Voigt 2018) applies only to peatlands and concludes that N2O emissions as an issue requiring reappraisal.
out of topic for this tread but interesting: «Why volcanism isn't the source of increasing carbon dioxide emissions»
The IPCC Third Assessment Report's (TAR's) projections for methane atmospheric concentrations, carbon dioxide emissions and atmospheric concentrations, and resultant temperature increases constitute the greatest fraud in the history of environmental science.
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