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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!
Research with climate models in recent years shows that when carbondioxide emissions stop, the rise in atmospheric temperatures will likely also stop. The oceans absorb much of the carbondioxide lingering in the atmosphere, which contributes to ocean acidification.
The reason why 2016 was so warm was because of a strong El Nio eventa naturally-occurring cycle in the Earths climate systemwhich typically leads to a spike in Earths global-mean temperature. where 30,000-plus scientists gathered to present their latest research.
It shows the atmospheric concentrations of carbondioxide (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.
In fact, in 1938 Sir George Simpson, a leading meteorologist, dismissed the link between rising carbon-dioxide (CO 2 ) concentration and temperature as “ rather a coincidence ”. The non-expert in question was Guy Callendar , a British steam engineer doing his own atmospheric research at home.
In this, he is in violent agreement with Isaac Held, his colleague at GFDL, and indeed most climatescientists. The key aspects were the inclusion of water vapour feedback as temperatures increased, and the use of ‘convective adjustment’ to maintain stability of the lower atmospheric column. 1975) , and Bryan et al.
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.
M is for Methane Methane, the main component of fossil (so-called “natural”) gas, is about 80 times more potent in warming the atmosphere over a 20-year period than carbondioxide. However, a 2022 investigation by Global Witness found that the plant actually emits more carbondioxide than it captures.
Figure 2: Carbondioxide levels and global temperature over the past 2022 years. Carbondioxide data from air bubbles enclosed in Antarctic ice. Ed Hawkins, National Centre for Atmospheric Science. The authors have clearly swallowed a great mouthful of the toxic brew found on climate denial websites.
This summer was the hottest on record and the season was rife with dire signs that the atmosphere’s dangerous levels of carbondioxide are wreaking havoc on the environment and communities. As a young person and a UCLA Law student, the importance of the Held trial is not lost on me.
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!) Johnson, A. Lebedeff, P.
Peatlands store a significant amount of the Earth’s carbon and have functioned as an important moderator of carbondioxide in the atmosphere for thousands of years.
ENSO is so influential that climatescientists have dedicated decades to tracking and predicting its irregular cycles. Researchers are also studying how ENSO will be affected by climate change. In the most fossil fuel-intensive scenario, carbondioxide emissions more than double by 2099.
By the end of the century, Montana could see several months a year with temperatures staying above 90 degrees, said Cathy Whitlock, a retired paleoclimate scientist at Montana State University who was the lead author of the 2017 Montana Climate Assessment.
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. For the first piece, there needs to be a well-designed, justice-centered plan to reduce heat-trapping emissions.
This is the third year in a row that emissions from energy are flat, yet, climatescientists report that our atmosphere is seeing its carbon content grow faster than ever. The biggest drop came from the United States, where carbondioxide emissions fell 3%, or 160 million tonnes, while the economy grew by 1.6%.
The world’s top climatescientists have been clear: If we’re to avoid the most calamitous consequences of warming our planet, we must get as good at taking carbondioxide out of the atmosphere as we’ve been at putting it in. Read the full story from Bloomberg.
It turns out, for example, that climate-change researchers fly more frequently than scientists in other fields. Change 65 102184 ), climatescientists jet off two to three times a year on average, whereas other researchers get on planes just twice during that time. But other scientists also fly a lot.
Midwestern farms are learning they are sitting on an untapped resource to meet climate change goals, namely, millions of acres of farmland that have always been farmed to maximize production. Regular tilling of soil releases organic matter and increases the return of CO2 to the atmosphere.
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. percent of total emissions.
C above the average,” says the report’s lead author Freja Vamborg , a climatescientist at Copernicus. Despite localized temporary reductions in air pollution , the COVID-19 pandemic appears to have had minimal impact on climate trends. The Arctic really saw quite a spectacular year. Freja Vamborg.
Oil and natural gas operations are the nation’s largest industrial source of methane, a climate “super pollutant” that is many times more potent than carbondioxide and is responsible for approximately one third of the warming from greenhouse gases occurring today. Read more here.] Dr. Jessica Moerman. “As
The Inflation Reduction Act is directing $20B toward climate-resilient agriculture Reducing heat-trapping carbondioxide (CO 2 ) emissions through policies that drive renewable energy and clean transportation has well known benefits. This is good for all of us, of course.
Methane is a powerful contributor to atmospheric warming. Though it is far less abundant than carbondioxide, it is about 80 times more efficient at trapping heat in the atmosphere, thus accounting for about 25% of warming. It sounded like two jets were directly above my house,” Doug Harrison, 50, told The Guardian. “I
In this blog, I explain the science behind these extreme weather events and pinpoint how additional heat-trapping emissions in Earth’s atmosphere are responsible. The Earth is warming The burning of fossil fuels has led to an increase in pollutants such as carbondioxide in the atmosphere since the industrial revolution began in the 1800s.
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. Bernhardt , No.
Outside of bird protection acts of the early 20 th century, protections for water, air and the atmosphere are a late 20 th -century development, created in the wake of Rachel Carson’s 1962 treatise on pesticides, Silent Spring. Carbondioxide is not a pollutant. All of us are exhaling carbondioxide right now.
In videos and Congressional testimony , Wright portrays himself as a truth teller, while falsely claiming that climatescientists and renewable energy advocates are deceptive. In the last sixty years, the amount of carbondioxide in the atmosphere has grown 100 times faster than it did at the close of the last ice age.
BLM estimates that the project will produce up to 576 million barrels of oil over its 30-year lifetime, resulting in indirect emissions totaling 239 million metric tons of carbondioxide (CO 2 ) equivalent.
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.
This latest report looks at mitigation — or what the world can do to stop pumping greenhouse gases into the atmosphere. It’s the third chapter in the IPCC’s mammoth sixth assessment report, part of a series of studies that summarize the state of climate science and the planet released roughly every seven years.
And in summary, his testimony says, one, joining RGGI will reduce emissions of carbondioxide from Pennsylvania's power generation sector and will also contribute to improved air quality. It needs to be an informed decision with equal input from climatescientists and economists. That was in 1969. So that was in 1971.
Court Said ClimateScientist Provided Sufficient Evidence of Actual Malice for Blog Authors but Not for Publisher. Energy Policy Advocates v. Mayor & City Council of Baltimore , No. July 15, 2021). In issuing the declaration, the Court rejected arguments by the Minister to limit the declaration to only the applicants.
The SCC is a metric that seeks to capture all of the costs that emitting a ton of carbondioxide (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.
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