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According to the United Nations’ Intergovernmental Panel on ClimateChange report published Monday, Southeast Asia coastal zones are among the world’s most climate vulnerable regions. There are a handful of high-impact “tipping points” that could drastically change global or regional water cycles.
I have a feeling that we are seeing the start of a new wave of climatechange denial and misrepresentation of science. Another clue is William Kininmonth’s ‘rethink’ on the greenhouse effect for The Global Warming Policy Foundation. Benestad, "A mental picture of the greenhouse effect", Theoretical and Applied Climatology , vol.
For months, international’s organizations have blamed the calamity on climatechange. International organizations had blamed the calamity on climatechange, but a new study rejects that assumption. And so [climatechange] will only make things more difficult for these regions in the world.”.
The summary for policymakers of the Intergovernmental Panel on ClimateChange (IPCC) sixth synthesis report was released on March 20th (available online as a PDF ). There is a recording of the IPCC Press Conference – ClimateChange 2023: Synthesis Report for those who are interested in watching an awkward release of the report.
The IPCC has released its Sixth Assessment Report on the physical science basis of climatechange. Here are a number of the lowlights: It is unequivocal that human influence has warmed the atmosphere, ocean and land. Widespread and rapid changes in the atmosphere, ocean, cryosphere and biosphere have occurred.
I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on ClimateChange (IPCC) on August 9th. The cause of our changingclimate is the increase in atmosphericgreenhouse gas concentrations that we have released into the air.
Last week, the Nobel physics prize was (half) awarded to Suki Manabe and Klaus Hasselmann for their work on climate prediction and the detection and attribution of climatechange. This came as quite a surprise to the climate community – though it was welcomed warmly. Fred Singer, before his turn to the dark side).
It’s 20 years since we started blogging on climate here on RealClimate (December 10, 2004). We wanted to counter disinformation about climatechange that was spreading through various campaigns. The Keeling curve, highlighted with the release of important climate reports and climate summits.
This week, Circle of Blue looks at a major new climate report, which finds that a warming planet is accelerating the water cycle. The Intergovernmental Panel on ClimateChange, a group of the world’s leading climate scientists, has released its sixth assessment report. The report, while grim, does offer hope.
The CERES estimates of the top-of-atmosphere radiative fluxes are available from 2001 to the present. We can explore the issues and pitfalls of this using the ‘simple model’ of the greenhouse effect we explored back in 2007. The simplest model for the greenhouse effect. A simple model with feedbacks.
A friend asked me if a discussion paper published on Statistics Norway’s website, ‘ To what extent are temperature levels changing due to greenhouse gas emissions? ’, was purposely timed for the next climate summit ( COP28 ). I don’t know the answer to his question. But this discussion paper is problematic for sure.
The world is gathering soon in Glasgow to debate how to eliminate greenhouse gas emissions over the coming decades. Does the climate keep warming, stay the same, or even cool? What are the political implications of the fact that climatechange will continue after emissions cease, or even potentially grow worse?
In summarizing its report on the consequences of climatechange, the scientific body described a society running out of time to prevent unbearable damage to the planet’s lands and waters — and to the people and creatures that depend on them. Climatechange is a threat to human well-being and the health of the planet.
The “for one year” part is crucial: stratospheric aerosols stay in the atmosphere roughly a year, so one gram offsets the heating effect of one ton only for the first year after the ton is emitted. Those following debates on active climate interventions have been expecting – and worrying about – something like this for a few years.
One of the most pivotal agreements in this context is the United Nations Framework Convention on ClimateChange (UNFCCC), which kicked into force in 1994. This establishes a foundation for the right to a stable climate, as nations collectively commit to address climatechange and its impacts.
As nations went into lockdown to contain the spread of Covid-19, factories halted and cars sat idle, clearing the skies above polluted cities and sending climate-changing emissions to historic lows. But the concentration of greenhouse gases in the atmosphere ? the accumulation of past and current emissions ?
A new paper by Ben Santer and colleagues has appeared in PNAS where they extend their previous work on the detection and attribution of anthropogenic climatechange to include the upper stratosphere, using observations from the Stratospheric Sounding Units (SSUs) (and their successors, the AMSU instruments) that have flown since 1979.
Advocates are focusing on the Glasgow meeting to highlight water’s indispensable climate role. Demonstrators took to the streets at the 2009 global climate convention in Copenhagen. Adaptation, reducing greenhouse gas emissions, and accounting for climate damages will be prominent topics at the UN climate convention in November.
Today, climatechange is the central, though by no means the only, concern in environmental law. Westlaw searches for “global warming” and “greenhouse effect” pick up only a handful of citations before 1985. I found only one relevant reference using the term “climatechange” before 1985.
California is no stranger to the impacts of climatechange. From droughts to wildfires to rising sea levels and torrential rains, the state has felt the effects of a changingclimate in a variety of ways. Vapor pressure deficit is closely related to temperature and climatechange is causing temperatures to rise.
It is 33 years now since the IPCC in its first report in 1990 concluded that it is “certain” that greenhouse gas emissions from human activities “will enhance the greenhouse effect, resulting on average in an additional warming of the Earth’s surface.” It’s not hard to understand.
While climate adaptation planning is more widespread than ever, the U.N. T here is a huge gulf between what communities are spending to prepare for climatechange and what they ought to spend, a new U.N. This gap is widening, as the costs of climate adaptation increase due to rising global temperatures. report found.
Governor Newsom’s May Revise budget proposal includes this item: Methane Satellites—$100 million Greenhouse Gas Reduction Fund on a one-time basis to expand the number of satellites launched for methane observations, which would provide weekly measurement of large methane emissions in the state and enhance enforcement capabilities.
With proposed federal regulation of greenhouse gas emissions by the Securities and Exchange Commission requiring GHG disclosure and new state statutes, including a new Maryland law that requires not only disclosure, but also a mandated reduction in GHG emissions, a greater appreciation of the subject of GHG appears in order. See, Weather.
The recent rulings on climatechange by the European Court of Human Rights (ECtHR) are—as others have pointed out in this blog symposium —both “historic and unprecedented” for various reasons, not least regarding the question of reparation for climatechange-related harm. Portugal and 32 Other States and Carême v.
Sprinkling powered basalt over natural ecosystems would remove vast amounts of carbon dioxide from the Earth’s atmosphere while also improving soils. Worldwide, nations are pledging to reach net zero emissions of greenhouse gases by 2050, if not earlier. Could the breakdown of rocks mitigate climatechange?
On May 21, 2024, the International Tribunal for the Law of the Sea (ITLOS) delivered a long-awaited Advisory Opinion on climatechange and international law. This marks the first time that an international tribunal has issued an advisory opinion on State obligations regarding climatechange mitigation.
As the COP26 summit in Glasgow meets to discuss global action on climatechange, atmospheric scientist Betsy Weatherhead explains what the science says about greenhouse gases and global warming
The labs – including CERN, the European Space Agency, Fermilab and the Los Alamos National Laboratory – have announced that they will step up their scientific collaboration on carbon-neutral energy and climatechange as well as share best practices to improve the carbon footprint of big-science facilities. Eager to learn.
government are investing billions of dollars in carbon capture technology to suck greenhouse gases out of the atmosphere. Tech firms, oil companies and the U.S. Can it save the warming world?
By Anders Lorenzen On the eve of the COP28 UN climate summit, The World Meteorological Organization (WMO), a United Nations (UN) body, has warned that the atmospheric concentration of greenhouse gases (GHG) is forecast to continue the trend that resulted in record-high CO2 measurements last year. Photo credit: iStock.
The IPCC issued the massive first volume of its new report on climatechange on Monday. This volume focuses on climate science: how much will the world warm, and what will the impacts be? with high confidence that human-induced climatechange is the main driver of these changes.”. C of warming.
Allergy sufferers may have to brace themselves - researchers predict the US could see as much as a 200% increase in pollen this century if greenhouse gas emissions continue at the current rate, which may also cause pollen season to start between 10 to 40 days earlier. Increasing Levels Of Carbon Dioxide In The Atmosphere.
In recent years, The Netherlands has become the leading site of climatechange litigation. its district, appellate , and supreme courts decided in favor of Urgenda, an upstart environmental organization, ordering the government to more aggressively reduce greenhouse gas emissions. Everyone produces greenhouse gases.
In the background , the question always looms, “Are these extreme weather events caused by climatechange ? ”. Julia Aylen wades through waist deep water carrying her pet dog as she is rescued from her flooded home during Hurricane Dorian in Freeport, Bahamas, Tuesday, Sept. As society evolves, extreme weather also changes.
The state contended that their actions are not responsible for global climatechange. It reminded me of the unsurprising, but still disappointing finger pointing between high carbon emitting-countries while negotiating climate responsibilities and greenhouse gas emission caps at COP27. Download as PDF
Taking into account not only permafrost thaw, but also a host of other biogeochemical and atmospheric feedbacks, the AR6 estimates to appropriately include the effect of all these feedbacks, remaining carbon budgets have to be reduced by 26 ± 97 GtCO 2 per degree Celsius of additional warming. Nature ClimateChange. References.
An instrument mounted to the International Space Station was built to map dust in the atmosphere, but it’s also giving scientists a wealth of information about methane and carbon dioxide emissions
A highly potent greenhouse gas, methane makes a significant contribution to climatechange, but has historically received relatively little attention in climate mitigation discussions. That is now beginning to change. laws governing methane removal via atmospheric oxidation enhancement (AOE).
As I outlined here , Montana state law prohibits the consideration of greenhouse gas emissions or climate impacts–– inside and outside the state’s borders––when reviewing projects and approving permits. This now-infamous climate prohibition has been called a “limitation” on the Montana Environmental Policy Act, or MEPA.
Heightened flood risk The National Oceanic Atmospheric Administration (NOAA) said in a recent outlook that about 44 percent of the United States is at risk of floods this spring, equating to about 146 million people. The link to climatechange is clearer, however, with floods.
Still, both the National Oceanic and Atmospheric Administration (NOAA) forecast , released on May 24, and the Colorado State University (CSU) forecast , released on April 7, predict a season with above-normal activity— for the seventh consecutive year. This year broke the streak, and that is a good thing.
By Phil McKenna Climate policies that rely on decarbonization alone are not enough to hold atmospheric warming below 2 degrees Celsius and, rather than curbing climatechange, would fuel additional warming in the near term, a study published Monday in the Proceedings of the National Academy of Sciences concludes.
Decades ago, their own scientists told car companies and oil companies about climatechange, information the companies chose to ignore. He talked her into studying climatechange. She went on to become the head of the climatechange program at Argonne National Lab and a professor at UC Davis.
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