Solar forcing is the only known natural forcing acting to warm the climate over this period but it has increased much
less than greenhouse gas forcing, and the observed pattern of long term tropospheric warming and stratospheric cooling is not consistent with the expected response to solar irradiance variations.
However, the net effect in terms of forcing is only about 0.27 W / m ^ 2 — much
less than greenhouse gas forcing.
It's a staggering amount of carbon, but so far
less than the greenhouse gases emitted by countries like the United States or China.
Not exact matches
(Hanna Tuomisto, who in 2011 conducted a study at Oxford University's Wildlife Conservation Research Unit, found that growing meats in - vitro would use 35 % to 60 %
less energy, emit 80 % to 95 %
less greenhouse gas and use around 98 %
less land
than conventionally produced animal meat.)
Even since 1990, when many developed nations started trying to curb their
greenhouse gases under a U.N. treaty, emissions had also fallen
less in recession
than they rose when the economy grew, he said.
Natural
gas is primarily composed of methane, a
greenhouse gas that is more potent
than carbon dioxide, but remains in the atmosphere for
less time.
PCE's default option, ECOplus, is 50 % renewable and 75 %
greenhouse gas emissions free, at a generation rate that is priced 5 %
less than PG&E.
New Democrats have repeatedly pointed out that it is ludicrous to force the public sector, which is responsible for
less than one per cent of
greenhouse gases emitted in the province, to subsidize big polluters who pay no penalty for the majority of their
greenhouse gas emissions.
He claimed their lab - created burger uses about 74 percent
less water, generates about 87 percent fewer
greenhouse gases and requires around 95 percent
less land
than conventional ground beef from cows.
Researchers concluded that the Impossible Burger utilizes 87 percent fewer
greenhouse gas emissions, 74 percent
less water, and 95 percent
less land
than conventional beef.
«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.
Moreover, PET plastic bottles use
less energy, generate
less solid waste and create fewer
greenhouse gas emissions
than glass bottles or aluminum cans.
It uses about 75 %
less water, generates about 87 % fewer
greenhouse gases, and requires around 95 %
less land
than conventional ground beef from cows.
According to the company, making the plant - based burger uses 99 percent
less land, 85 percent
less water, and emits 89 percent
less greenhouse gas than traditional beef production.
Hilary Benn has pointed out that modern incinerators actually emit
less toxic
gas than a barbeque, and could help to reduce waste and therefore
greenhouse gases.
«While I accept shale
gas has a
lesser carbon output
than heavy coal, it's still a very large contributor to
greenhouse gases,» he said.
For example, my industry — the ski business — could eliminate all its
greenhouse gas emissions, but we'd still go out of business in
less than 100 years if the rest of the world doesn't change.
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.
Such so - called in situ production requires
less water but far more energy to get the bitumen flowing, resulting in
greenhouse gas emissions some 2.5 times higher
than those from mining.
Natural
gas, which is mainly methane, may generate
less carbon dioxide
than oil and coal when burned, but as recent research has found, there's more to
greenhouse gas emissions
than just combustion.
Because a soy field contains far
less carbon
than a rainforest, the
greenhouse gas benefit of the original ethanol is wiped out.
On a life - cycle basis, FCVs running on hydrogen derived from steam - reforming natural
gas — currently the most affordable way of making hydrogen — produce
less than half the
greenhouse gas emissions of a gasoline - powered car.
«At Northwest, our
greenhouse gas emissions have gone down 25 percent since 2000 and about 5 percent
less than 1990,» says Ken Hylander, Northwest's senior vice president of safety and engineering.
It says nations will have to impose drastic curbs on their still rising
greenhouse gas emissions to keep a promise made by almost 200 countries in 2010 to limit global warming to
less than 2 degrees Celsius (3.6 Fahrenheit) over pre-industrial times.
At a cost of
less than 3 cents per kilowatt - hour, tornado energy is cheaper
than burning coal (which rings up at 4 or 5 cents per kwh) and produces no additional
greenhouse gases.
The report notes that three business sectors — energy firms, utilities and materials companies — account for 87 percent of scope 1 and 2 emissions,
greenhouse gases that are directly emitted by a firm's activities, even though they account for
less than 25 percent of all companies on the index.
Melting bitumen in place is
less unsightly
than mining tar sands, but increasing efficiency, lowering costs and — perhaps most importantly — minimizing
greenhouse gas emissions remain challenges
Although natural
gas generates
less greenhouse gas than coal when burned, when its total life - cycle emissions associated with extraction and distribution are factored in, it does not seem much cleaner
than coal
Currently, the amount of infrared heat radiated back to space is slightly
less than what we absorb from the sun due to the increase in
greenhouse gases.
It produces
less carbon dioxide emissions
than coal for electricity or gasoline and diesel for fuel, but even a small amount of natural
gas release — which is essentially methane — packs a
greenhouse gas punch about 30 times more powerful
than the same amount of carbon dioxide.
The «well - to - wire» research showed new natural -
gas power plants are responsible for
less than half as much
greenhouse gas per kilowatt hour of electricity generated as existing coal power plants.
Analysis of the first seven years of data from a NASA cloud - monitoring mission suggests clouds are doing
less to slow the warming of the planet
than previously thought, and that temperatures may rise faster
than expected as
greenhouse gas pollution worsens — perhaps 25 percent faster.
A key finding of the UC Berkeley study is that suburbs account for half of all household
greenhouse gas emissions, even though they account for
less than half the population.
That the Netherlands is responsible for
less than 0.5 % of global
greenhouse gas emissions isn't a valid argument either, it said.
But today their influence is far
less than that of manufactured
greenhouse gases such as carbon dioxide, methane and the CFCs, according to two new studies of the link between solar activity and climate.
Less than a year after patenting a process that could improve stripping
greenhouse gasses from industrial emissions, a University of Alabama engineering professor was recently granted another patent that uses a different solvent to accomplish the same goal.
Though burning natural
gas produces much
less greenhouse gas emissions
than burning coal, a new study indicates switching over coal - fired power plants to natural
gas would have a negligible effect on the changing climate.
The key conclusions were that: It is «unequivocal» that global warming is occurring; the probability that this is caused by natural climatic processes is
less than 5 %; and the probability that this is caused by human emissions of
greenhouse gases is over 90 %.
A vegan driving a Hummer creates
less greenhouse gases than a carnivore riding a bicycle.
And although Alberta currently boasts a carbon price of $ 15 per metric ton, it is not enough — at
less than a dollar per barrel — to keep
greenhouse gas pollution from the tar sands in check.
«(i) increase the percentage of emissions that can be offset through the use of international offset credits to reflect the amount that 1.0 billion exceeds the number of domestic offset credits the Administrator determines is available, at prices generally equal to or
less than emission allowance prices, for that year, up to a maximum of 0.5 billion tons of
greenhouse gas emissions; and
The United States, with
less than 5 % of the world's population, is responsible for nearly 25 % of the world's
greenhouse gases.
Whether being
lesser than CO2 in number of molecules in the atmosphere, methane is a potent
greenhouse gas absorbing more infra - red radiation per molecule
than CO2.
This is much
less than the current «best estimate» of about 3 deg.C, and would imply that there is * not * any unfelt warming «still in the pipeline» from
greenhouse gases we've already emitted.
The positive energy imbalance in 2005 — 2010 confirms that the effect of solar variability on climate is much
less than the effect of human - made
greenhouse gases.
The general consensus among scientists is that the young Earth's atmosphere contained much larger quantities of
greenhouse gases (such as carbon dioxide and / or ammonia)
than are present today, which trapped enough heat to compensate for the
lesser amount of solar energy reaching the planet.
We should continue to support the very best parts of it: the ones that encourage the production of more advanced and more sustainable biofuels, for instance, or the requirement that a renewable fuel must emit
less greenhouse gas than the petroleum - based fuel it would replace.
This process is toxin - free, and they estimate it produces 10 times
less greenhouse gas emissions
than typical petroleum - based dyes.
Although sustainability guidelines are unlikely to be included in the final version of the 2015 Dietary Guidelines for Americans, the Advisory Committee included the following statement in their initial report: «Consistent evidence indicates that, in general, a dietary pattern that is higher in plant - based foods, such as vegetables, fruits, whole grains, legumes, nuts and seeds, and lower in animal - based foods is more health promoting and is associated with
lesser environmental impact (
greenhouse gas emissions and energy, land, and water use)
than is the current average U.S. diet.
A study of
greenhouse gas - emissions by the Advanced Power and Energy Program at the University of California at Irvine shows fuel - cell vehicles running on hydrogen derived from natural
gas ultimately create far
less GHG emissions
than BEVs running off the U.S. grid, which is powered mostly by coal and natural
gas.