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Scientists are sounding the alarm because this warming is shockingly bigbigger than what we would have expected given the long-term warming trend from fossil fuel-caused climatechange. Here, low-level cloud cover has decreased drastically, mostly related to an increase in ocean surface temperature.
Understanding sea level rise as a long-term, multi-generational problem is essential to comprehending the scale of climatechange and the need for bold action now. While this knowledge may be sobering, it underscores the importance of reducing emissions, holding major polluters accountable, and adapting to a changing world.
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.
The grief of yet another climate-changed event is overwhelming. Photo provided by the author The aftermath of Helene is proving the worst of what we imagine in the face of climatechange. I asked my colleague, Dr. Marc Alessi , an atmospheric scientist, about the hurricane. My heart is heavy.
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. Graphic courtesy of the Intergovernmental Panel on ClimateChange. Carl Ganter / Circle of Blue.
The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern Europe.
Climate models are the main tool scientists use to assess how much the Earths temperature will change given an increase in fossil fuel pollutants in the atmosphere. As a climatescientist, Ive used them in all my research projects, including one predicting a change in Southwestern US precipitation patterns.
All countries in the world urgently need to adapt to climatechange but are not yet in a good position to do so. It’s urgent because we are not even adapted to the present climate. However, I would argue that the climate research community has not had a visible presence during any of these meetings.
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. But let’s go back to the beginning.
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 atmospheric greenhouse gas concentrations that we have released into the air.
The first climatechange presentation I saw was back in the 1970s when I was working for the National Weather Service. Murray Mitchell, was the top climatescientist for NWS. While that got the bulk of the publicity, Dr. Mitchell assured us that the warming of the climate would be the biggest problem in the future.
James Hansen, the scientist who first sounded the climate alarm in Congress, sees a decrease in aerosol pollution driving a surge of warming and criticizes the U.N. climate science panel, drawing a backlash from other researchers.
Chicago is also, as it turns out, ground zero for climatechange. Climatechange is making old solutions obsolete. Chicago has been confronting an unusual problem that may be linked with climatechange. That seems like a plausible scenario under climatechange but seemingly hasn’t been established yet.
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. Picture Quebec City in Canada and London in the UK.
By Amy Green, Lisa Sorg Tropical Storm Debby, a plodding, waterlogged system that has already saturated four southeastern states, bears many characteristics of a warming planet, climatescientists say. It’s reminiscent of other catastrophic tropical cyclones that have battered the United States over the past eight years.
In a world with just random local fluctuations but no climatechange, about half the weather stations would show a (more or less significant) warming, the other half a cooling. Figure 1: Map of observed near-surface air temperature changes since the late 19 th Century. It’s not hard to understand. Gray areas show lack of data.
Presumably Dagsvik and Moen are used to this kind of model, but they seem to be inexperienced with the models used for weather and climate, which on the other hand are based on the laws of physics. Furthermore, the volume of the oceans increases from the melting of land ice. Our job is to be thorough and verify questionable results.
The suit claims that BP, Chevron, ConocoPhillips, ExxonMobil, Shell, and the American Petroleum Institute misled the public despite clear knowledge that their products cause climatechange. For more than 50 years , the fossil fuel industry has obstructed meaningful climate action. at UMass Amherst.
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.
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.
Like other climatescientists, he knew from research papers and worldwide storm patterns that a warming atmosphere is thirstier and sops up more moisture from oceans and the land. By Judy Fahys A question has bothered climatologist Park Williams during the decade he’s been probing drought in the Southwest.
German Chancellor Angela Merkel has directly blamed climatechange and as she visited the trail of devastation left behind at flood sites said Germany must pick up the pace with which it is tackling the impact of the climate crisis. Scientists have said that this extreme weather event bears the hallmark of climatechange.
For climatescientists, the war in Ukraine came at the worst possible time as the media attention they would have hoped for surrounding the release of the latest Intergovernmental Panel on ClimateChange (IPCC) report was urgently diverted to the breaking news story of Russia invading Ukraine. By Anders Lorenzen.
Student in the Department of Atmospheric Science at Colorado State University Most people remember the water cycle they learned in school: water evaporates from lakes, rivers, and the ocean, air carrying this moisture rises, cools, condenses, and forms clouds, and these clouds precipitate water back down to the surface. C temperature target.
She leads numerous initiatives that promote a better understanding of our planet’s dynamic weather and climatechanges. BreezoMeter’s own Paul Walsh is a data science leader in the realm of weather & climate sustainability strategy for small-medium enterprises (SMEs). Paul Walsh. Dr. Marshall Shepherd. Eric Blake.
With the United Nations ClimateChange Conference (COP26) coming up next month, it is strange to think that less than 100 years ago global warming was not widely accepted, even among experts. Only a quarter of this was absorbed in the natural carbon cycle, mostly by diffusion into the oceans.
In addition, it stores vast quantities of freshwater that if released to the ocean would rise sea level by tens of meters and interfere with saline-driven ocean currents that transfer heat around the planet. In the ocean, 19 marine heatwaves have been recorded between 2002 and 2018. Prof Martin Siegert in Antarctica.
There are still reasons to cheer in our fight against climatechange. 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. But are there other factors for this ? Deforestation is one.
According to Johan Rockström , a researcher with the Potsdam Institute for Climate Impact Research, offsets can be used to restore and grow new forests, protect the oceans and improve agricultural practices to increase soil health. Portland-based company Neutral sells “carbon neutral” milk that “fights climatechange” in U.S.
The onslaught has led to another round of media headlines and press releases from environmental and public health groups asking whether the nation is at a tipping point of urgency to fight climatechange. A Vox headline on the orange skies from Canadian wildfires said, “Wildfire smoke reminded people about climatechange.
The UN Intergovernmental Panel on ClimateChange (IPCC) recently released its sixth assessment of climatechange, comprised of three separate reports presenting the latest science on climatechange, related impacts, adaptation, vulnerability , and mitigation at a time when more and more people are pressing for climate action.
Climatescientists at the Union of Concerned Scientists (UCS) have dubbed the six-month stretch from May through October the “ Danger Season.” Not only has much of what climatescientists have been warning about come to pass, many of the extreme weather events the planet is now experiencing are worse than they expected. “To
1 – People and places are struggling with wildfire As a climatescientist living in California and witnessing the consequences of decades of unchecked climatechange, my personal and professional lives often overlap. Who is responsible for climatechange and its impacts?
In making their case, the 31 environmental groups cite data from the Intergovernmental Panel on ClimateChange, projecting that financial cost of extreme heat in the United States will explode fivefold to half a trillion dollars a year by 2050. There is something else that would make their case even stronger: Data on people.
Long term, climatechange is a greater threat than the COVID-19 pandemic. An area of high pressure above the Pacific Ocean was driven eastwards through the jet stream by a “Rossby wave” – a planetary-scale fluctuation arising from the Coriolis force. Global warming of more than 2?
Last week, the IPCC released their latest climate report – and the findings were serious. The report is the most comprehensive to-date from the international panel of scientists who work on climatechange – and shows just how crucial the next couple years are for climate action. But it is still there.
Cutting-edge models predict that El Niño frequency will increase within 2 decades because of climatechange, regardless of emissions mitigation efforts. The El Niño–Southern Oscillation ( ENSO ) is one of the most significant, but variable, climate patterns in the world. Modelling a future of more frequent extremes.
But another major culprit is climatechange, which has intensified the heat and drought that have always been factors in western North America. That climatechange obviously didn’t just happen on its own. Ekwurzel was joined by Heede, then-UCS climatescientist Peter Frumhoff , and four other scientists.
These conditions increase Puerto Rico’s dependence and reduce our self-sufficiency and resilience to climatechange-driven natural disasters. Edil is both a climatescientist and environmental attorney working to advance decolonization for Puerto Rico and achieve environmental justice for Puerto Ricans.
He told viewers in a video that the state was rolling back important climatechange legislation and language despite “record heat, record flooding, record rain, record insurance rates and the corals are dying all around the state.” He made a public plea for viewers to register their concern for climatechange at the ballot box.
Scientists at the National Oceanic and Atmospheric Administration (NOAA) are responsible for weather forecasts and severe storm warnings, information we likely take for granted. Climatescientist Katharine Hayhoe asserts that talking about climatechange is the most important thing we can do.
Proponents claim the process will replicate phytoplankton fertilization by iron-rich dust blown into the oceans during ice ages, and that it will help limit climatechange through several mechanisms – most prominently by oxidizing atmospheric methane. Is there a way out? Trying to stamp these out is a fool’s errand.
As a result of fossil fuel-driven climatechange, it’s on track to be the warmest year in recorded history. In Brazil, the world’s largest grassland caught fire; a rapid attribution study found the fire to be 40% more intense due to climatechange. 2024 will be a year to remember.
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