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Last month, 44 climate scientists 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. But what exactly would cause the AMOC to collapse?
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.
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. Meanwhile, sharply cutting our use of fossil fuels is the best way to limit carbon dioxide (CO 2 ) emissions, the primary driver of climatechange.
As we prepare to participate in the 10 th Our Ocean Conference in Busan, Republic of Korea, from April 28-30, I like to think about this beautiful poem in a different way. Just like in the poem, the ocean remains largely undiscovered, unknown. First, climatechange. A more hopeful one.
With extreme winter weather breaking out across the United States this week, a question in many people’s minds is—how is climatechange affecting winter storms? Can you start with how climatechange is generally affecting winter weather in the US? The warming ocean is especially important.
The post Plastic Pollution and ClimateChange: Understanding Their Interconnected Impact on Our Planet appeared first on Earthava. Plastic pollution poses a significant threat not only to ecosystems but also to the climate.
While nonbinding, the unanimous advisory opinion offers important support for small island nations facing climate impacts and raises the bar for other nations to reduce their global warming emissions to protect the world’s oceans. Lays out polluting nations’ obligations.
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.
For the first time, the International Court of Justice (ICJ)—the world’s highest court—may be ruling on climatechange. On March 29, the UN General Assembly will vote on a resolution to bring climatechange before the ICJ.
Satellite images have confirmed that the world's oceans have become slightly greener. Scientists suspect climatechange is the reason. Read more on E360 →
As climatechange and commercial fishing threaten krill, the crustaceans that fuel Antarcticas entire food web, scientists and advocates say those responsible for protecting Antarcticas marine life are failing.
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.
Climate impacts as human rights violations It’s widely accepted that climatechange is the cause of human rights violations for millions of people, including their rights to adequate housing, healthy working conditions, safe drinking water, education, and a healthy environment.
The institutional developments are new, but university engagement with the climate issue goes back decades. University research has led in developing clean technologies, mapping the impacts of climatechange, and identifying policy tools to reduce emissions. Columbia has a Climate School.
Just by looking at the name, you can see that a GCM is a model that simulates the circulation of Earths different physical systems like the atmosphere and ocean. The Earths climate system doesnt like imbalances in heat given the difference in density: Earth will do everything in its power to mix the cold poles and the hot tropics.
A global initiative to protect 30 percent of the earth’s land and oceans by 2030 is gaining momentum. But scientists warn that as the world warms, many conservation areas will become less and less suited to the types of species and ecosystems they were intended to protect. Read more on E360 ?.
Climatechange is propelling these weather events to grow faster and stronger than ever before. Other climatechange impacts are accelerating as well. Consider the record-breaking warm ocean temperatures of the past year, which has caused the largest coral bleaching event on record , habitat loss and species migration.
The worlds largest fossil fuel and cement producers have known for decades that their products cause climatechange, yet they spread disinformation to misinform the public and have profited as people around the world have suffered from ever-worsening climate impacts.
In the sea as on land, climatechange is driving shifts in the abundance and distribution of species. East Coast are changing their behavior as waters warm. Scientists are just beginning to focus on why some fish predators and prey like striped bass and menhaden on the U.S. Read more on E360
The slowdown of the Antarctic Circumpolar Current could have 'dire' consequences, including greater climate variability and accelerated global warming.
The IPCC compiles scientific insights on climatechange, informing policymakers and the public about risks and possible actions. In essence, combined with climate models, they provide a way to envision the consequences of different actions or inactions. What Are Future Climate Scenarios? Lower-emission scenarios (SSP1-2.6)
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. Such reports provide a summary of the state of our knowledge, but are not sufficiently specific for climatechange adaptation.
I feel like climatechange is going to have to get worse before it gets better. Climatechange has been a big, scary, looming problem for basically the entirety of my life; I cannot remember a time when it was not at least a background concern. There are options from blue carbon in the ocean to soil carbon and more.
Fjords and mountains in Northern Norway The Arctic Councils Arctic Monitoring and assessment Programme ( AMAP ) recently released a Summary for PolicyMakers Arctic ClimateChange Update 2024. It is one of several stock taking exercises on the regional and global states of Earth’s climate.
Whats the point of a beach adventure if you cant even go into the ocean? How does raw sewage end up in our oceans and rivers? In some cities, a combined sewer system means that usually both wastewater and stormwater get treated to the same high standards before releasing into the ocean. San Francisco City and County v.
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.
Floods can come from rain-on-snow events and from high spring temperatures that melt the snow faster, and climatechange is triggering earlier and faster snowmelt. In the Midwest, Lake Erie has the LEOFS (Lake Erie Operational Forecast System) to better manage water levels affected by seasonal variations and climatechange.
That’s how long Ocean Conservancy has been advancing policies that secure a healthy ocean and a thriving planet. Please try again or contact 1.888.780.6763 Enter Your Email.loading Thanks for signing up for Ocean Conservancy emails. Yet despite its critical role, the ocean is often sidelined in global climate discussions.
This past week, I attended the Intergovernmental Panel on ClimateChange (IPCC) meeting in Hangzhou, China. In previous posts, Ive explained what the IPCC is, why this assessment cycle is crucial , and highlighted its role in climate action. Marine CDR lacks long-term observational data and has potential ecological risks.
The fossil fuel industrys role in driving climatechange is undeniable, yet corporate accountability remains a contested space. As the scientific evidence strengthens, courts around the world are increasingly considering the role of major fossil fuel companies in climate-related damages. Cases such as Milieudefensie et al.
Can the new advisory opinion interpreting the United Nations Convention on the Law of the Sea (UNCLOS) move us beyond the lethargy of unmet climatechange policy needs ? By accepting the COSIS request, ITLOS boldly advanced the international law of climatechange to take full account of its harmful impacts on the marine environment.
On March 29, 2023, the United Nations General Assembly (UNGA) adopted a resolution requesting an advisory opinion from the International Court of Justice (ICJ) on States obligations regarding climatechange. ii) Peoples and individuals of the present and future generations affected by the adverse effects of climatechange?
The implications of these changes are enormous for the Arctic ecosystem, the ways of life of communities living in the region, and for the many unique species that exist there. Meanwhile, the warming climate is leaving Arctic species with little choice but to adapt, but some are finding it harder than others.
Moreover, the partnership will also enable Captura to conduct technology development and ocean modeling work to guide feasibility studies for commercial facilities.
For decades, the oceans have absorbed much of the excess heat caused by greenhouse gases. The latest observations suggest they are reaching their limits, so how worried should we be?
The AMOC is a big deal for climate. The Atlantic meridional overturning circulation (AMOC) is a large-scale overturning motion of the entire Atlantic, from the Southern Ocean to the high north. Major abrupt past climatechanges are linked to AMOC instabilities, including Dansgaard-Oeschger-Events and Heinrich Events.
Present-day GCMs consider changes in not just the atmosphere, but also changes in the ocean, the land, and sea-ice (see figure below). Modern climate models incorporate multiple sub-components that simulate land, ocean, and sea-ice conditions to inform modeling of atmospheric conditions.
New research reveals that Arctic ice melt weakened a critical ocean current, leaving Europe in the cold, a finding with important implications for future climatechange. More than 8,000 years ago, as the planet thawed following the end of the last ice age, Northern Europe abruptly cooled. Read more on E360 →
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.
That’s because the parties to the London Convention and London Protocol are meeting from October 28 to November 1 in London to discuss, among other things, governance of ocean alkalinity enhancement and ocean sinking of biomass (e.g. Some are land-based, while others use the ocean. seaweed) for carbon storage.
Our planet is undergoing significant changes due to climate disruption, with especially severe impacts on the ocean. Most climate action today rightly focuses on reducing greenhouse gas emissions. Unfortunately, these efforts are necessary, but not sufficient to meet global climate targets.
“Danger Season” refers to the warmer months when, turbo-charged by climatechange, extreme events like heat waves, heavy rainfall, wildfires, and poor air quality bring miserable and often dangerous, conditions. This NASA graphic captures how climatechange affects the extreme weather that tends to play out in Danger Season.
Warmer global temperatures cause more water to evaporate from Earth’s surface and oceans, meaning that there is more fuel for storms. Urban infrastructure in many cities was not built for current and future climate pressures. The post Detroit Flooding Previews Risks from a Warming Climate appeared first on Circle of Blue.
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