«This is another reason why we must take steps to curb global
warming pollution as much and as quickly as possible,» said Amanda Staudt, a climate scientist with the National Wildlife Federation, which released the report today with Physicians for Social Responsibility.
But the environmental price tag of biofuels now joins the ranks of other, cheaper domestic fuel sources — such as coal - to - liquid fuel — as major sources of globe -
warming pollution as well as unintended social consequences.
Not exact matches
With its slower pace of living,
warm, welcoming climate, healthy, fresh foods and reputation
as one of the «greenest and cleanest» countries in the world with little
pollution, lots of clean water and fresh air... it's no wonder Costa Ricans are considered the «happiest people on the planet».
Water
pollution is accelerating
as a result of global industrial development and
warming.
Elections sweeping Republicans into the House leadership set climate proposals on a path to nowhere in 2010 and 2011
as partisanship marginalized supporters of any federal bill aimed at cutting global
warming pollution.
Two Atlantic Ocean coral species — elkhorn and staghorn — are listed
as «threatened» under the Endangered Species Act, and NOAA is considering whether an additional 82 coral species also warrant some level of protection under the law because of threats from
warming water, ocean acidification and
pollution.
But it's a good sign that China is on track to restrain global
warming pollution in the next decade or so,
as agreed under a lauded deal with the United States — the world's second largest polluter.
As Roger Short of the University of Melbourne writes in the introduction, «The inexorable increase in human numbers is exhausting conventional energy supplies, accelerating environmental
pollution and global
warming, and providing an increasing number of failed states where civil unrest prevails,» among other faults.
The scientists expect further
warming in the Arctic
as levels of greenhouse gases will continue to increase and aerosol particle emissions will likely decrease to combat air
pollution in different parts of the world.
But that still leaves a load of
pollution: China this year surpassed the U.S.
as the world's largest emitter of greenhouse gases behind global
warming.
In addition to preferentially using
warmer - colored LEDs, the study's authors say, the loss of starry skies to light
pollution could be forestalled or reversed with stricter regulations on artificial lights
as well
as the advent of driverless cars, which require less street illumination.
As part of the Renewable Fuels Standard, EPA will attempt to determine the global
warming pollution associated with fuel from plants
For almost 100 years, Science News has been reporting the latest advances in science, such
as this week's cover story by reporter Laurel Hamers, «When bogs burn, the environment takes a hit,» on how the increased frequency of bog fires worldwide is becoming a surprisingly large source of air
pollution and climate -
warming carbon dioxide.
Power plant owners and speculators yesterday bid for the right to emit carbon dioxide (CO2)
as part of a new multistate government program designed to reduce global
warming pollution.
As to reasons for the decline, most analysts point to a range of factors including diversions of river water for farming,
pollution, the intermingling of wild salmon with weaker, disease - ridden hatchery fish, and global
warming — which creates some problems and exacerbates others.
That would translate to steadily rising temperatures
as carbon
pollution continues to accumulate in the atmosphere (see red curve below), and fail to reach the goal of holding
warming to 2 °C (blue curve at bottom).
But they are very sensitive to changes in ocean chemistry resulting from greenhouse gas emissions,
as well
as to coastal
pollution,
warming waters, overdevelopment, and overfishing.
EVEN
AS THE U.S. EXPLORES THE COMPLEX CHALLENGES OF global
warming, air
pollution remains widespread and dangerous.
To hold global
warming in check requires reducing current emission levels by
as much
as 70 percent by 2050, compared with 2010 levels, and nearly eliminating such
pollution by 2100.
Without any action, the world is on track to achieve at least 4 degrees C
warming of global average temperatures by 2100,
as the world hits 450 parts - per - million of greenhouse gases in 2030 and goes on to put out enough greenhouse gas
pollution to achieve
as much
as 1300 ppm by 2100.
The report, written and reviewed by leading U.S. scientists
as part of the National Climate Assessment, reinforces that
warming temperatures and extreme weather around the globe are «extremely likely» to be the result of carbon
pollution from human activities.
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.
The party opposes «any and all cap and trade legislation» that would create a system of tradable
pollution permits designed to reduce industrial emissions of
warming gases such
as carbon dioxide.
In the second scenario, Pfister and her colleagues found that sharp reductions in nitrogen oxides and volatile organic compounds could reduce ozone
pollution even
as the climate
warms.
Aerosols in urban air
pollution and from major industries such
as the Canadian tar sands are of concern to scientists because they can affect regional climate patterns and have helped to
warm the Arctic.
But most of what they are doing is not visible, because it is rooted in local concerns, such
as urban air
pollution, rather than fear of global
warming.
As I understand it (from the IPCC report and from Ramanathan en Feng, Sept 23 2008 in PNAS) stopping all emissions suddenly would cause about 1.6 degree Celsius of extra
warming, because short - lived
pollution would quickly be removed from the atmosphere.
Waterways are
warming worldwide
as oceans absorb most of the energy trapped by greenhouse gas
pollution.
As it turned out, the world's temperature has risen about 0.8 °C (1.4 °F) and mainstream scientists continue to predict, with increasing urgency, that if emissions are not curtailed, carbon pollution would lock in warming of as much as 3 to 6 °C (or 5 to 11 °F) over the next several decade
As it turned out, the world's temperature has risen about 0.8 °C (1.4 °F) and mainstream scientists continue to predict, with increasing urgency, that if emissions are not curtailed, carbon
pollution would lock in
warming of
as much as 3 to 6 °C (or 5 to 11 °F) over the next several decade
as much
as 3 to 6 °C (or 5 to 11 °F) over the next several decade
as 3 to 6 °C (or 5 to 11 °F) over the next several decades.
As one form of
pollution is eliminated, the mask concealing the true impact of global
warming will be stripped away.
«A carbon price would make the price of oil better reflect its true societal costs (including global
warming impacts, health cost due to air
pollution,
as well
as other environmental costs).
``... one study found that the feedback from just the CO2 released by the thawing permafrost alone could add 1.5 °F to total global
warming by 2100, if we don't sharply curtail carbon
pollution as soon
as possible.»
International review finds that protected areas are good for adaptation to global
warming as well
as preventing overfishing and
pollution
Even
as greenhouse gas
pollution has
warmed the planet's surface in recent decades,
warming rates across the West have been exceptionally rapid.
-LSB-...] The CAA
as amended in 1990 does mention «carbon dioxide» and» global
warming potential,» but only once, in the context of non-regulatory provisions, and each time followed by a caveat admonishing EPA not to infer authority for «
pollution control requirements» or «additional regulation.»
As for plants soaking up the excess, forests and other vegetation are indeed major carbon sinks that can absorb lots of carbon — in other words, healthy forests could offset some of our global
warming pollution.
But it's concerning, because similar sea surface
warming is now well underway
as greenhouse gas
pollution heats up the globe.
The rapid disappearance of species was ranked
as one of the planet's gravest environmental worries, surpassing
pollution, global
warming and the thinning of the ozone layer.»
(1) Of the other anthropogenic factors, some have a
warming effect (other greenhouse gases such
as methane) while others have a cooling effect (air
pollution).
If human - induced global
warming, among other factors such
as human - driven
pollution and human - forced overpopulation, serve decisively to precipitate the massive extinction of biodiversity, the irreversible degradation of Earth's environment and the reckless dissipation of its resources, so
as to make our planetary home unfit for life
as we know it, then is no one to bear responsibility for such a colossal wreckage
as we could help to perpetrate in these early years of Century XXI?
Furthermore certain sources of energy that are considered «clean» such
as nuclear power and the potential, in the future, to transmit energy from satellites to the Earth will continue to generate waste heat (thermal
pollution) that will continue to
warm the Earth.
«We have dumpted (today) another 70 million tons of global -
warming pollution into the thin shell of atmosphere surrounding our planet,
as if it were an open sewer,...»
The first program proposed that
as human kind has mopped up its
pollution so global
warming may increase
as pollution seemed to be preventing a certain amount of sunlight from reaching the ground.
«Their unceasing drum - beat for Anthropogenic Global
Warming will ultimately discredit their otherwise worthwhile and necessary programs to reduce human
pollution as a result of unrestricted human population and economic growth.»
Global
warming is widely viewed at the policy level
as a
pollution problem like acid rain, smog, or the ozone hole.
«A rapid cutback in greenhouse gas emissions could speed up global
warming... because current global
warming is offset by global dimming — the 2 - 3ºC of cooling cause by industrial
pollution, known to scientists
as aerosol particles, in the atmosphere.»
And talk passionately about the basic facts in public: climate changes (expressed
as the wacky and destructive weather that has become so common) are caused by the global
warming produced by having too much greenhouse gas
pollution in the atmosphere.
It is very odd and very noticeable that the issue of
pollution as opposed to global
warming is rarely now mentioned by all the scientific bodies engaged in the climate change debate.
And all of the issues that arise in other shipping corridors — from
pollution to smuggling to conflict — will be simmering there
as long
as warming continues.
Particle
Pollution's Cooling Effect... Plus Death Interestingly, this particle
pollution has the opposite effect on the climate
as does the ship's carbon emissions: The particles have a cooling effect that is at least five times greater than the
warming effect of the CO2 emissions.