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Sealevels are rising, and science shows they will continue to rise for generations due to heat-trapping emissions that have already been released. This highlights a profound and enduring climate injustice: future generations will face the consequences of todays decisions. What do we know about future sealevel rise?
It shows the atmospheric concentrations of carbon dioxide (CO 2 ) and tells a story about the carbon cycle, involving Earth’s crust, the atmosphere, land surface, the biosphere, and the oceans. The Keeling curve, highlighted with the release of important climate reports and climate summits.
Climate models and climate impact studies use emission scenariosestimates of potential future changes in heat-trapping emissionsto help us see how choices made about emissions today can shape tomorrows climate. Four RCP scenarios describe different levels of radiative forcing in the atmosphere by 2100.
Through greenwashing ads, disinformation campaigns, attacks on scientists, and production of fake scientific evidence, the industry has engaged the playbook of deception to undermine climate action. UCS’s new Hitz Family Climate fellow, Dr. Shaina Sadai , is stepping into this emerging area of work.
As climatescientists we tend to look at the IPCC reports a little differently than the general public might. Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!) Figure SPM 8. Johnson, A.
Another clue indicating a shortcoming is if you look at the atmospheric CO 2 -concentrations over time to see how much impact the IPCC reports have had on the real policy-makers in the world (Figure below). The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.
Meltwater from Greenland’s ice sheets have caused about a quarter of the rise in the world’s sealevels. This week, Circle of Blue looks at a major new climate report, which finds that a warming planet is accelerating the water cycle. Just as human behavior causes atmospheric warming, it can also prevent it.
are used all over the world, based on calculations that quantify the effects of physical mechanisms and the way different parts of the atmosphere are connected to each other. The physics-based models describe how energy flows through the atmosphere and ocean, as well as how the forces from different air masses push against each other.
The good news is that there are some initiatives on climate change adaptation which involve climatescientists such as the Infrastructure and Climate Network ( ICNet Global ). Such professional debates should include climatescientists, the adaptation community, and prac titioners.
Last month, 44 climatescientists from 15 countries wrote an open letter to the Nordic Council of Ministers highlighting the risk of a potential collapse of the Atlantic Meridional Overturning Circulation (AMOC), a critical ocean current system in the Atlantic Ocean. The Earth’s climate system does not like imbalances in heat!
Corporate leadership was informed about advances in climate science and incorporated those advances when its scientists built their own models. Regardless, the company publicly cast doubt on the reality of global warming, attempted to discredit climatescientists and climate models, and tried to block climate action.
The warming has even taken many other climatescientists by surprise and no one has predicted such a rapid warming trend, with feedback loops being a key contributing factor, he argued. When it has all melted the global sealevels would have risen by 7.5
In addition, it stores vast quantities of freshwater that if released to the ocean would rise sealevel by tens of meters and interfere with saline-driven ocean currents that transfer heat around the planet. Prof Martin Siegert is an award-winning Antarctic glaciologist and climatescientist.
Since that 2014 study, which laid the foundation of what is called climate source attribution science , UCS scientists have collaborated with Heede on two other studies that pinpointed the major carbon producers’ culpability for specific climate change-related trends. Licker et al.
We should expect to hear more, as climate impacts are only going to get worse. As a climatescientist recently said on CNN, “Until we stop pumping greenhouse gases into the atmosphere we have no idea what the future looks like.”
Court Dismissed Counterclaims in ClimateScientist’s Defamation Lawsuit. Superior Court dismissed counterclaims brought by an individual writer against the climatescientist Michael Mann in Mann’s defamation lawsuit against National Review, the Competitive Enterprise Institute, and two individuals. California v.
Plaintiffs aim to hold the federal government accountable for worsening the dangers of climate change through increased reliance on fossil fuels and for breach of its fiduciary obligation to protect the atmosphere and oceans under the public trust doctrine.
Extreme climate-related disastersincluding heatwaves, storms, droughts, wildfires and floodingare worsening, taking a fearsome toll on people, the economy and ecosystems. Accelerating sealevel rise, ocean acidification and loss of major ice sheets also continue apace, with profound consequences for the planet.
Bernhardt’s reasoning was that it would be impossible to establish the requisite causal link between GHG emissions, global climate change, and specific localized effects on species and their habitat due to the “complex and independent processes active in the atmosphere and the ocean acting on GHGs.”
Extreme climate-related disastersincluding heatwaves, storms, droughts, wildfires and floodingare worsening, taking a fearsome toll on people, the economy and ecosystems. Accelerating sealevel rise, ocean acidification and loss of major ice sheets also continue apace, with profound consequences for the planet.
The court stated: “Plaintiffs’ claims for public nuisance, though pled as state-law claims, depend on a global complex of geophysical cause and effect involving all nations of the planet (and the oceans and atmosphere). Arizona Court Ordered Production of ClimateScientists’ Emails Under Arizona’s Public Records Law.
The federal district court for the Northern District of Texas dismissed for lack of standing a lawsuit against the EPA in which an individual pro se plaintiff asserted that EPA restrictions since 1990 on aerosols in the atmosphere had caused global warming. Delta Stewardship Council Cases , Nos.
It needs to be an informed decision with equal input from climatescientists and economists. In 1970 in the Boston Globe newspaper, there was a scientist from the atmospheric research in Boulder, Colorado predicted that an ice age would be upon us by the 21st century. Pennsylvania must get this decision on RGGI right.
National Audubon Society alleged that the rule “vastly expands potential sand mining projects in delicate coastal barriers” and further alleged that coastal barriers would become even more important due to climate change and were expected to mitigate $108 billion of sealevel rise and flooding damages over the next 50 years.
Next week, the House is expected to consider another six spending bills, including a bill funding the National Science Foundation and the National Oceanic and Atmospheric Administration. Sarah Kapnick as the agency’s chief scientist. in atmospheric and oceanic science from the University of California, Los Angeles.
The SCC is a metric that seeks to capture all of the costs that emitting a ton of carbon dioxide (or equivalent amounts of other greenhouse gases such as methane) imposes on society by contributing to climate change over the hundreds of years it remains in the atmosphere. The SCC then monetizes those impacts over time.
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