It is possible that a combination of emissions cuts, carbon removal and solar geoengineering could provide a significantly safer
climate than emissions cuts alone or emissions cuts and carbon removal combined.
Not exact matches
Chris Severson - Baker, Alberta director of the Pembina Institute, said reducing methane
emissions is critical because the gas is 25 times more potent as a
climate warming agent
than carbon dioxide.
About 40 percent of the energy used to control the
climate in buildings seeps out through windows and doors, producing more
than 250 million tons of
emissions a year, according to the Department of Energy.
Those changes have been driven by human - caused greenhouse gas
emissions, which are warming the world and causing Earth's
climate to change faster
than reefs can keep up.
The latest report from the International Panel on
Climate Change, an intergovernmental group charged with researching the effects of carbon emissions, said at the end of September that climate change is unequivocal and that going forward, sea levels will rise at a faster rate than they have over the past 40
Climate Change, an intergovernmental group charged with researching the effects of carbon
emissions, said at the end of September that
climate change is unequivocal and that going forward, sea levels will rise at a faster rate than they have over the past 40
climate change is unequivocal and that going forward, sea levels will rise at a faster rate
than they have over the past 40 years.
More
than 170 countries agreed early Saturday morning to limit
emissions of key
climate change - causing pollutants found in air conditioners, a significant step in the international effort to keep global warming from reaching catastrophic levels.
Overly optimistic projections of future oil supply, which are much higher
than the latest NEB projections and don't consider the Alberta government's cap on oil sands
emissions imposed by its
Climate Leadership Plan.
Worldwide, livestock generate between 14.5 and 18 percent of greenhouse gas
emissions — mainly methane and nitrous oxide, which are more harmful to the
climate than even CO2.
«Reducing greenhouse gas
emissions while still growing as a company is one of the defining business challenges of the 21st century, and we're proud to be addressing that challenge head - on, starting with our new 2025 goal to achieve absolute reductions of no less
than three percent year - over-year,» said Dean Scarborough, Avery Dennison's chairman and CEO, who will travel to Paris this December to discuss
climate change with other business leaders at COP21.
Coffee, especially shade coffee, is a global crop that has a relatively lower impact on greenhouse gas
emissions and a more positive impact on carbon sequestration
than many other crops.There is potential for shade coffee farms to contribute to the mitigation of
climate change and generate income for farmers at the same time; I have a previous post that outlines the basics.
Granted, there are more benefits to reducing particulate and greenhouse gas
emissions than just
climate change, i.e. PM 2.5 which can be stuck in the human lung and cause cancer / respiratory issues, SO2 which contributes to acid rain (we've already eliminated the majority of this problem), as well as soot (nobody wants the surrounding area covered in ash).
«On his watch we have an environment secretary who doesn't believe in
climate change, our carbon
emissions are rising rather
than falling and the government has failed to set a target a clean up our power system by 2030.»
More
than a quarter of carbon
emissions are emitted from homes and reducing individuals» carbon footprints will be crucial if the government is to meet targets - set down in the
climate change bill - for reducing carbon
emissions.
However, none of the arguments above for expanding Heathrow, rather
than Gatwick, is to say that the
climate change and other environmental impacts including air quality, CO2
emissions and noise can be ignored.
Since RGGI was launched seven years ago, the program has collected more
than $ 925 million from power plant owners to cover greenhouse gas
emissions that drive
climate change.
Erie County and the New York State Energy Research and Development Authority («NYSERDA») have announced the development of a
Climate Action and Sustainability Plan for internal county operations which is expected to save more
than $ 700,000 in energy costs and reduce harmful greenhouse gas
emissions by approximately 5,300 metric tons of carbon dioxide by 2020, equivalent to taking 925 cars off the road.
A 30 percent cut in
emissions from 2005 levels by 2030 is a big number — less
than environmental groups want but far more
than the president can get via Congress, where
climate change skeptics rule the House and the Democratic Senate so far avoiding bringing a
climate change bill to the floor during Obama's presidency.
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.
That's why we have to look at the balance in terms of what is cheaper: Can we reduce
emissions of greenhouse gases today so that we can stabilize the earth's
climate, rather
than adapt to the impacts of
climate change and incur much higher costs over a period of time?
Some
climate organizations have been critical of companies that invest heavily in RECs, charging that the financial instruments are less effective at reducing greenhouse gas
emissions than other measures.
The simulations suggest that, for greenhouse gas
emissions at or above current rates, changes in
climate will very likely be larger
than the changes already observed during the 20th century.
reported in the journal «Science», scientists led by Dr. Felix Creutzig from the Mercator Research Institute of Global Commons and
Climate Change (MCC), Berlin, and Dr. Patrick Jochem, KIT, point out that the transportation sector may be easier to decarbonize
than previously assumed in global
emission scenarios.
In a project sponsored by the U.S. National Aeronautics and Space Administration's (NASA) Carbon Monitoring System research initiative, researchers from the Joint Global Change Research Institute (JGCRI) found that global livestock methane (CH4)
emissions for 2011 are 11 % higher
than the estimates based on guidelines provided by the Intergovernmental Panel on
Climate Change (IPCC) in 2006.
Incorporating a pricing mechanism into our
climate policy would likely be more efficient at driving down greenhouse gas
emissions at a lower cost
than the current policy of regulating such
emissions under the Clean Air Act.
Over the past forty years, the ice cover in summer has shrunk by more
than half, with
climate model simulations predicting that the remaining half might be gone by mid-century unless greenhouse gas
emissions are reduced rapidly.
While
climate models also simulate the observed linear relationship between sea ice area and CO2
emissions, they usually have a much lower sensitivity of the ice cover
than has been observed.
The administration released its strategy at the UN
climate talks for cutting U.S.
emissions more
than 80 percent by mid-century
The agency then offered a singular solution: Rather
than ratify the Kyoto Protocol on
climate change or reduce carbon dioxide
emissions, Americans should simply adapt.
Published today in the journal Nature Geoscience, the paper concludes that limiting the increase in global average temperatures above pre-industrial levels to 1.5 °C, the goal of the Paris Agreement on
Climate Change, is not yet geophysically impossible, but likely requires more ambitious
emission reductions
than those pledged so far.
«Stronger» results
than IPCC Even after the Berkeley project's initial findings last year agreed with prior analyses by NASA, NOAA and the Hadley Centre, Muller resisted pinning the blame for
climate change on man - made greenhouse gas
emissions.
This decrease is about five times larger
than the annual
emissions reduction target for the first commitment period (2008 - 2012) of the Kyoto Protocol on
climate change.
WASHINGTON (Reuters)- U.S. greenhouse gas
emissions fell nearly 10 percent from 2005 to 2012, more
than halfway toward the U.S.'s 2020 target pledged at United Nations
climate talks, according to the latest national
emissions inventory.
And although many companies are doing more
than ever to assess their direct
climate impacts, CDP found that 47 percent of the most carbon - intensive activities undertaken by business — called «scope 3»
emissions — continue to go unmeasured and unreported.
«Even if we stopped all greenhouse gas
emissions today, we'd still have an ocean that is warmer
than the ocean of 1950, and that heat commits us to a warmer
climate,» Gille said.
In fact, the mitigation pledges collected under the ongoing Cancun Agreements, conceived during the 2010
climate talks, would lead to global average temperature rise of more
than 2 degrees Celsius, according to multiple analyses — and may not lead to a peaking of greenhouse gas
emissions this decade required to meet that goal.
And although companies are pledging to do more
than ever to reduce
emissions, «disparity [exists] between companies» strategies, targets and the
emissions reductions» that
climate scientists say will be necessary to limit the rise in average global temperatures to 2 degrees Celsius.
The rate at which carbon
emissions warmed Earth's
climate almost 56 million years ago resembles modern, human - caused global warming much more
than previously believed, but involved two pulses of carbon to the atmosphere, University of Utah researchers and their colleagues found.
Seniors (31 %) are less likely
than those under age 30 (60 %) to say the Earth is warming due to human activity, and are less inclined to favor stricter power plant
emission limits in order to address
climate change.
That's the conclusion of a new study published in the journal Nature
Climate Change, which says China's
emissions may have actually increased in 2014, rather
than fallen.
«Our estimates show that the growth in Chinese
emissions has slowed a lot in the past two to three years, and is now much lower
than at any point since the early 2000s,» said study lead author Jan Ivar Korsbakken, senior
climate economics researcher at CICERO.
But if humans, through carbon dioxide
emissions, are affecting
climate less
than we think, would that mean we may have more time to reduce the harmful effects?
Even the 350 - ppm limit for carbon dioxide is «questionable,» says physicist Myles Allen of the
Climate Dynamics Group at the University of Oxford, and focusing instead on keeping cumulative
emissions below one trillion metric tons might make more sense, which would mean humanity has already used up more
than half of its overall
emissions budget.
«It is true that they do warm
climate by strong methane
emissions when they first form, but on a longer - term scale, they switch to become
climate coolers because they ultimately soak up more carbon from the atmosphere
than they ever release.»
Countries like Singapore — where the economy has more
than tripled and whose
emissions have jumped by 61 percent since the dividing lines between «rich» and «poor» nations were drawn — face new demands for
climate action.
A new study finds that methane
emissions from shale gas production are nearly 50 times lower
than previous estimates, improving the
climate benefit of switching from coal to natural gas.
More
than 40 mainly developed countries, including New Zealand and members of the European Union, have, or are in the process of developing, markets to help cut their output of
climate - warming
emissions by putting a price on carbon dioxide.
Speaking from Apia, Shirley Laban, the convener of the Pacific Islands
Climate Action Network, an NGO, said: «Unless we cut
emissions now, and limit global warming to less
than 1.5 °C, Pacific communities will reap devastating consequences for generations to come.
The CDM has since 2005 helped channel more
than $ 315 billion to poor nations to help them cut their CO2
emissions or adapt to the effects of
climate change.
«I think, first, they are a significant concern because methane
emissions are 70 percent more potent
than other
climate pollutants.
Stabilising at 550 ppm would mean ensuring global
emissions peak no later
than 2025, according to the Intergovernmental Panel on
Climate Change.