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
The plummeting price
of clean energy has allowed the US to decrease its
carbon emissions over the last three years while the country's GDP has
increased.
We are living in an enormous fabric
of life, where anti-poverty measures may create new pressures caused by excess consumption; where methane
emissions increase if we eat more beef or throw food waste in a landfill; where drought leads to forest fires and more
carbon; where marginalizing women makes communities less resilient.
Although its strong economic growth means overall
emissions are still
increasing, China has reached its 2020 «
carbon intensity» targets ahead
of time by implementing serious environmental policies and technological innovation.
Alberta is boosting its use
of renewable energy, closing power plants that burn coal and in January
increased its tax on
carbon emissions by 50 percent.
While both governments remain committed to finding new markets for Canada's oil and gas, they have voiced strong support for
increasing clean energy production and exports in order to reduce
carbon emissions and the impact
of fluctuating oil prices on Canada's economy.
It aims to
increase carbon emission reductions from 25 %
of 2007 levels to 38 % by 2030, above Singapore's pledge
of a 36 %, its CDL Future Value 2030 document states.
The company, Canada's No. 2 pipeline operator, released a letter sent to U.S. Secretary
of State John Kerry and other department officials saying that
increased carbon levies for Alberta oil sands producers and new Canadian targets for greenhouse - gas
emission cuts should serve to help assuage U.S. concerns that approving the C$ 8 billion ($ 6.41 billion) project would
increase climate change.
WASHINGTON — The U.S. Environmental Protection Agency has concluded the Keystone XL pipeline will significantly
increase greenhouse gas
emissions because it will lead to the expansion
of Alberta's
carbon intensive oilsands.
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.
IRRI develops ways to add economic, nutritional, and environmental value to rice by reducing postharvest losses, improving grain quality
of new rice varieties, improving value - chain linkages, investigating uses
of husks and straw to produce bioenergy, cut
carbon emissions, and
increase carbon sequestration.
With
increased attention to climate change and greenhouse gas (GHG)
emissions and offsets, the goal
of the project partners is to provide a free, easy - to - use, wine industry specific, greenhouse gas (GHG) protocol and calculator that will measure the
carbon footprints
of winery and vineyard operations
of all sizes.
Those nine areas are focused on agriculture (
carbon farming),
increasing energy efficiency, reducing food waste, eliminating commodity - driven deforestation, reducing the climate impact
of packaging, advocating for responsible policies, committing to 100 percent renewable power, reducing short - lived climate pollutant
emissions and transportation - related
emissions.
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.
How the UK can reduce its
carbon emissions by
increasing the use
of renewable energy sources is set to be outlined today by the government.
The other side
of the «green» argument against nuclear power is the fear by some climate scientists that
carbon emissions in New York could
increase by more than 31 million metric tons during the next two years, if a number
of nuclear power plants close.
To stop the possible
increase of carbon emissions, the administration says it wants to use nuclear energy to help bridge the state until it expands its renewable energy options.
Dell Round Rock, TX Information Technology 554 million green kWh, 158 %
of total power used In August 2008 managers declared Dell's headquarters «
carbon - neutral» after buying energy credits,
increasing efficiency and reducing
emissions.
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).
Combining the asylum - application data with projections
of future warming, the researchers found that an
increase of average global temperatures
of 1.8 °C — an optimistic scenario in which
carbon emissions flatten globally in the next few decades and then decline — would
increase applications by 28 percent by 2100, translating into 98,000 extra applications to the EU each year.
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).
«The deposition
of compounds such as sugars and organic acids from living roots can
increase the activity
of bacteria and fungi, and it's this
increase in activity that accelerates the decomposition
of carbon in the soil, leading to higher CO2
emissions,» Sulman said.
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.
Global temperatures are forecast to rise by two degrees by the year 2099, which is predicted to
increase annual
carbon emissions from the forest by three - quarters
of a billion tonnes.
The Bulletin acknowledges that the
increased use
of carbon - free nuclear energy could help mitigate global warming brought on by fossil fuels and greenhouse gas
emissions but concludes that the possibility
of misusing enriched uranium and separated plutonium to create bombs is a «terrible trade - off» for trying to control climate change.
They found that selective logging and surface wildfires can result in an annual loss
of 54 billion tonnes
of carbon from the Brazilian Amazon,
increasing greenhouse gas
emissions.
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.
According to Princeton University scientists Stephen Pacala and Robert Socolow's «wedge» strategy
of climate change mitigation — which quantifies as a wedge on a time series graph various sets
of efforts to maintain flat global
carbon emissions between now and 2055 — at least two million megawatts
of new renewable energy will have to be built in the next 40 years, effectively replacing completely all existing coal - fired power plants as well as accounting for
increases in energy use between now and mid-century.
(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.)
Studies on coral, mollusks, and other ocean denizens are helping to paint a picture
of what the future might entail for specific species, should
carbon emissions continue to
increase.
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.
This newest threat follows on the heels
of overfishing, sediment deposition, nitrate pollution in some areas, coral bleaching caused by global warming, and
increasing ocean acidity caused by
carbon 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 convention's definition
of geoengineering includes any technology that reduces solar heating
of the Earth or
increases carbon capture from the atmosphere — though
carbon - capture and storage projects can go ahead as long as the
carbon comes direct from industrial
emissions.
«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 surprise move, the president also weighed in on the controversial Keystone XL pipeline, planned to transport oil from Canada's tar sands to refineries on the Gulf
of Mexico — suggesting that it will go ahead only if it causes no
increase in
carbon emissions.
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.
«I expected an
increase in both
carbon emissions and species extinctions debts, but the magnitude
of these debts was surprising,» Rosa says.
MELBOURNE, AUSTRALIA — In the run - up to national elections on 21 August, the country's top science body, the Australian Academy
of Science (AAS), has weighed in on the climate change debate with a report backing the mainstream scientific view that human - induced climate change is real and that a business - as - usual approach to
carbon emissions will lead to a «catastrophic» four - to five - degree
increase in average global temperatures.
«We show that even if deforestation had completely halted in 2010, time lags ensured there would still be a
carbon emissions debt equivalent to five to ten years
of global deforestation and an extinction debt
of more than 140 bird, mammal, and amphibian forest - specific species, which, if paid, would
increase the number
of 20th century extinctions in these groups by 120 percent,» says Isabel Rosa (@isamdr86)
of the Imperial College
of London.
Of those approaches, none came close to reducing
emissions as much as conservation,
increased energy efficiency and low -
carbon fuels would.
«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.