For instance, you could define the climate
warming impact over a 100 - year period of 1 million tonnes (Mt) of methane as being same as if you'd released 25 Mt of CO2.
Instead, they stretch out methane's
warming impacts over a century, which makes the gas appear more benign than it is, experts said.
Not exact matches
The report found that while disposable nappies used
over 2 1/2 years would have a global
warming impact of 550 kg of CO2 reusable nappies produced 570 kg of CO2 on average.
The scientists» work, published in September in Current Biology, reveals the
impact of the
warming predicted to occur
over the next 50 years.
Taking into account the disastrous effects of the 2003 and 2010 heat wave events in Europe, and those of 2011 and 2012 in the USA, results show that we may be facing a serious risk of adverse
impacts over larger and densely populated areas if mitigation strategies for reducing global
warming are not implemented.
The findings were not a total surprise, with future projections showing that even with moderate climate
warming, air temperatures
over the higher altitudes increase even more than at sea level, and that, on average, fewer winter storm systems will
impact the state.
The most important of these was an apparent mismatch between the instrumental surface temperature record (which showed significant
warming over recent decades, consistent with a human
impact) and the balloon and satellite atmospheric records (which showed little of the expected
warming).
«Severity of North Pacific storms at highest point in
over 1,200 years:
Warmer tropical waters
impact weather from Alaska to Florida.»
As global
warming continues to
impact the McMurdo Dry Valleys of Antarctica, with more meltwater streams and water tracks travelling across the landscape, more mineral phosphorus is likely to become available through rock weathering
over centuries to millennia.
The researchers looked specifically at the
impact of several species of bass, fish that prefer
warm water and have expanded their range northward
over the past 30 years as temperatures have increased.
Killer heat waves have the same
impact all
over the world, and the death toll will soar as global
warming begins to grip the planet.
«
Warming greater than 2 degrees Celsius above 19th - century levels is projected to be disruptive, reducing global agricultural productivity, causing widespread loss of biodiversity and — if sustained
over centuries — melting much of the Greenland ice sheet with ensuing rise in sea levels of several meters,» the AGU declares in its first statement in four years on «Human
Impacts on Climate.»
That's because methane (or CH4) has more than 30 times the global
warming impact of carbon dioxide (CO2)
over 100 years (and its more than 80 times more powerful
over 20 years, since methane disappears from the atmosphere far more quickly than CO2).
Over 100 years, methane's warming impact is over 30 times that of carbon diox
Over 100 years, methane's
warming impact is
over 30 times that of carbon diox
over 30 times that of carbon dioxide.
As the world has
warmed over the past few decades, climate scientists have increasingly sounded the alarm
over the potentially catastrophic
impacts that
warming could have on the world's weather.
The CTD sections show that the deeper layers are also
warmer and slightly saltier and the observed sea level can be explained by steric expansion
over the upper 2000 m. ENSO variability
impacts on the northern part of the section, and a simple Sverdrup transport model shows how large - scale changes in the wind forcing, related to the Southern Annular Mode, may contribute to the deeper
warming to the south.
Also, for those interested, on page 41 of the Arctic Climate
Impact Assessment Synthesis Report, is found a description of their Key Finding # 2 which includes the statement «Climate models indicate that the local
warming over Greenland is likely to be one to three times the global average.»
CO 2 equivalents: The GWP value (Global
Warming Potential) of a gas is defined as the cumulative
impact on the greenhouse effect of 1 tonne of the gas compared with that of 1 tonne of CO 2
over a specified period of time.
Impacts of
warming and elevated CO2 on a semi-arid grassland are non-additive, shift with precipitation, and reverse
over time.
Of note today: An evaluation of multi-site human microbiome temporal stability
over six months; The
impacts of 1,000 non-antibiotic drugs on the in vitro gut microbiome; Caspase - 1 might modulate the relationship between stress, the gut microbiome, inflammation and depressive - like behaviour in mice; And the
impact of
warming on the Antarctic soil microbiome
Over the past decade, however, the number of new record highs recorded each year has been twice the number of new record lows, a signature of a
warming climate, and a clear example of its
impact on extreme weather.20 (See Figure 3.)
This is due to the fact that it has the strongest potential to
warm the globe in the long - run based on its long lifetime in the atmosphere (ranging from decades to centuries, and a tail end that extends to millennia, and with many climate
impacts occurring
over these slow timescales).
Ammann 2007, Lockwood 2007, Foukal 2006, Scafetta 2006, Usoskin 2005 and many other papers (here is a more comprehensive list) all find the sun has had a minimal
impact on global
warming over the past 30 years.
Pioneering scientist, social activist, humanitarian — Mary - Claire King is also foremost a free spirit who for
over four decades has marched to the beat of her own drummer, animated by the impulse to solve iconic scientific puzzles, a passion for victims of disease and social injustice, and a
warm humility that belies her profound
impacts on science, on medicine, and on society.
The study is updated regularly and shows that «the average 2006 disposable nappy would result in a global
warming impact of approximately 550 kg of carbon dioxide equivalents used
over the two and a half years a child is typically in nappies» (diapers).
«We know that many billions are required
over the next few years to fill the gap in climate finance, but the money pledged today is vital to help some of the most vulnerable people on the planet cope with the immediate
impacts of our rapidly
warming world,» Ishii continued.
Global
warming impacts the whole world, no matter how much your skeptic friend or relative thinks it's going to somehow bounce
over their neighborhood.
I have a story coming tonight in print on a new paper tracking the
impact over time of those iconic drainpipes for meltwater forming each summer on the
warming flanks of the vast Greenland ice sheet.
This doesn't address longer causal connections, but if the net
impact of temperature on CO2 can be shown to be neutral or in the negative direction
over then long term, than cointegration probably means that CO2 is causing global
warming.
On the contrary, roughly 80 percent of HOT is devoted to on - the - ground reporting that focuses on solutions — not just the relatively well known options for reducing greenhouse gas emissions and otherwise limiting global
warming, but especially the related but much less recognized imperative of preparing our societies for the many significant climate
impacts (e.g., stronger storms, deeper droughts, harsher heat waves, etc.,) that, alas, are now unavoidable
over the years ahead.
Longtime readers will recall how I've cited the Talking Heads lyric «same as it ever was» quite often
over the years in assessing negotiations aimed at forging a new global agreement on slowing global
warming and limiting its
impacts.
Also, for those interested, on page 41 of the Arctic Climate
Impact Assessment Synthesis Report, is found a description of their Key Finding # 2 which includes the statement «Climate models indicate that the local
warming over Greenland is likely to be one to three times the global average.»
Of course, the
impacts of human climate change will persist
over deep geological time, just as for example, the Paleocene - Eocene Thermal Maximum
warming did.
This is a big departure from the work of the United Nations Intergovernmental Panel on Climate Change
over the last 20 years, in which scientists have periodically laid out «what if» scenarios for emissions,
warming,
impacts and responses, but avoided defining how much
warming is too much.
[UPDATE] After visiting various research buildings, he gave a pep talk on the energy revolution he said was vital if the United States and the world are to avoid conflicts
over limited supplies of oil and eventual disruptive
impacts from human - caused global
warming.
The 3.9 °C (7.0 °F)
warming by 2100 is an improvement of 0.9 °C (1.6 °F)
over the business as usual increase of 4.8 ° C (8.6 °F), but falls far short of the 2 °C (3.6 °F) target that has been widely adopted and that would reduce the risks of the most serious
impacts of climate change.
A new study co-authored by Francis Zwiers, the director of UVic's Pacific Climate
Impacts Consortium, suggests that human - induced global
warming may be responsible for the increases in heavy precipitation that have been observed
over much of the Northern Hemisphere including North America and Eurasia
over the past several decades.
The «Clean Sky» initiative, reports Israel21c is the largest European research project ever and is designed to tackle global
warming — with a budget estimated to reach
over 1.6 billion Euros, the project «aims to radically improve the
impact of air transport on the environment with the goal of eliminating environmental pollution by reducing greenhouse gases.»
See Stowasser & Hamilton, Relationship between Shortwave Cloud Radiative Forcing and Local Meteorological Variables Compared in Observations and Several Global Climate Models, Journal of Climate 2006; Lauer et al., The
Impact of Global
Warming on Marine Boundary Layer Clouds
over the Eastern Pacific — A Regional Model Study, Journal of Climate 2010.
While it is worth continuing study of global climate engineering to control
warming if the rising concentrations of GHGs can not be halted
over the next several decades, the potential for climate engineering approaches to moderate
impacts in the particularly exposed regions being affected merits investigation.
(3) The supposed global
warming you claim has such disastrous
impact was — real world now, not exaggerated political propaganda — 1/2 of ONE degree change in temperature in 1998, and is right now, real world, actual numbers remember 0.0 degrees change
over the past 30 years.
The supposed global
warming you claim has such disastrous
impact was — real world now, not exaggerated political propaganda — 1/2 of ONE degree change in temperature in 1998, and is right now, real world, actual numbers remember 0.0 degrees change
over the past 30 years.
They review the work of
over 30,000 scientific papers on climate science, the
impacts of
warming and how its effects can be avoided.
While aggressive emissions cutbacks of short - lived
warming agents could halve the
warming projected to 2050 and determined efforts to promote adaptation and enhance resilience could help reduce
impact costs and damages, many regions will suffer greatly
over this period.
«Further, virtually all agree that the planet has
warmed over the past century, and that humans have had some
impact on the climate.
More than 300,000 refugees fled severe drought, conflict and famine in southern Somalia in 2011 into Ethiopia and Kenya (William Davies / AFP / Getty Images) That's why, in recent years, many of the world's wealthier nations — including the United States, Germany, Britain, and Japan — have promised billions of dollars in aid to help developing countries adapt to the
impacts of global
warming and switch
over to cleaner energy sources.
This is because
over the past three years, hundreds of new scientific field accounts of global
warming's
impacts, as well as improved peer - reviewed analyses of global
warming itself in both the deep past and the very near future, have depicted earth's atmosphere as far more «sensitive» to the invisible CO2, methane and other human - sourced greenhouse gases than had been hoped.
One reason for this is that many
impacts of climate change are expected to be proportional to the amount of global average
warming that occurs
over the next several decades to centuries.
I am not at all surprised to find climate skeptics preferring Mike's description
over mine, given that mine tries to fit the current understanding of the
impact of rising CO2 on temperature to the data while Mike's uses gross overfitting to show that one does not need CO2 to explain recent global
warming.
More ocean in the SH, more land in the NH, water absorbs more solar, more
warming over land, land use
impact?