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The next week has the potential to bring important developments for international governance of marine carbondioxide removal (CDR). seaweed) for carbon storage. The post Upcoming Developments in International Governance of Marine CarbonDioxide Removal first appeared on Climate Law Blog.
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. In a nutshell, they are responsible for climate change, mainly due to an increased greenhouse effect.
By Georgina Gustin At its annual conference on climate change this week, the United Nations released a major report saying the world has little hope of reaching global climate targets without quickly lowering emissions of nitrous oxide, a greenhouse gas that’s nearly 300 times more powerful at warming the atmosphere than carbondioxide.
Candidate at UCLA Law (2L) Last week, Assemblymember Dr. Joaquin Arambula introduced AB 2623 , a bill designed to guard California communities against the dangers of transporting carbondioxide in pipelines. You might be familiar with carbondioxide as a greenhouse gas that contributes to climate change.
, but it inevitably brings forth a mish-mash of half-remembered, inappropriate or out-of-date comparisons between the impacts of carbondioxide and methane. So this is an attempt to put all of that in context and provide a hopefully comprehensive guide to how, when, and why to properly compare the two greenhouse gases.
Sprinkling powered basalt over natural ecosystems would remove vast amounts of carbondioxide 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. They found it has the potential to remove 2.5
Achieving global climate goals will require rapid and dramatic greenhouse gas emissions reductions, along with the removal of greenhouse gases from the atmosphere. Scientists have identified a number of land- and ocean-based carbondioxide removal (CDR) approaches.
Step 1: There is a natural greenhouse effect. This means that there is an upward surface flux of IR around (~398 W/m 2 ), while the outward flux at the top of the atmosphere (TOA) is roughly equivalent to the net solar radiation absorbed (~240 W/m 2 ). Step 2: Trace gases contribute to the natural greenhouse effect.
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 climate change, would fuel additional warming in the near term, a study published Monday in the Proceedings of the National Academy of Sciences concludes.
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 atmosphericgreenhouse gas concentrations that we have released into the air.
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. The basic issue stems from the different timescales of the ocean and atmosphere. Fred Singer, before his turn to the dark side).
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.
Westlaw searches for “global warming” and “greenhouse effect” pick up only a handful of citations before 1985. The other article about nuclear power also observed in passing that “coal combustion may disrupt global weather patterns by increasing the amount of carbondioxide in the atmosphere, creating a ‘greenhouse effect.’”.
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 carbondioxide emissions
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. SAI can offset the effects of greenhouse gases on global-average temperature, but not their total climatic and environmental effects.
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.” Carbondioxide data from air bubbles enclosed in Antarctic ice.
by Klaus Lackner, Arizona State University Two centuries of burning fossil fuels has put more carbondioxide, a powerful greenhouse gas, into the atmosphere than nature can remove. There is so much CO2 in the atmosphere now that most scenarios… Read more →
Concentrations of HFC-23, one of the world’s most potent greenhouse gases, remained elevated in East Asia after China, a known past polluter, agreed to curb emissions.
Most climate action today rightly focuses on reducing greenhouse gas emissions. The Sixth Assessment Report of the Intergovernmental Panel on Climate Change underscores the urgent need the advance carbondioxide removal (CDR) as a complement to (but not a substitute for) emissions reductions.
A highly potent greenhouse gas, methane makes a significant contribution to climate change, but has historically received relatively little attention in climate mitigation discussions. Those issues are explored in a new report by researchers at the Sabin Center, Removing Methane via Atmospheric Oxidation Enhancement: The Legal Landscape.
However the long term drop in per person gasoline use is likely due to fuel economy and greenhouse gas standards that have made gasoline vehicles more efficient over the prior decades. Burning gasoline in an automobile produces carbondioxide, the primary cause of climate change. pounds of carbondioxide emissions per gallon.
, 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. Environmental Protection Agency (2007) forced the EPA to regulate greenhouse gas emissions. Everyone produces greenhouse gases.
By Bob Berwyn, Katie Surma Forests managed by Indigenous peoples and other local communities in the Amazon region draw vast amounts of planet-warming carbondioxide out of the atmosphere while the rest of the rainforest has become a net source of the greenhouse gas, a new report has found.
The Sabin Center today published model federal legislation to advance safe and responsible ocean carbondioxide removal (CDR) research in U.S. Modeling shows that carbondioxide emissions must reach net zero by 2050 or 2070 to reach these temperature goals. reach its climate goals. o C above pre-industrial levels.
Restoring fish, bison, gray wolves and other animals in key regions is possible without risking food supplies, and could remove nearly 500 gigatons of CO2 from the atmosphere by 2100.
Nevertheless, the summary for policymakers states the need for “rapid and deep and, in most cases, immediate greenhouse gas emissions reductions in all sectors this decade” if we want global warming to keep below 1.5°C I had to look up the acronym “CDR” (Carbondioxide removal). C or 2°C since preindustrial times (p.
Carbondioxide, methane and nitrous oxide reached record-high concentrations in the atmosphere in 2021, including the largest recorded increase in methane
The world is gathering soon in Glasgow to debate how to eliminate greenhouse gas emissions over the coming decades. But what happens when we achieve the goal of zero carbondioxide emissions from human actions? Does the climate keep warming, stay the same, or even cool? Some models show a potential for a rise of up to 0.3
Brett Walton/Circle of Blue YOUR GLOBAL RUNDOWN After a weekend of intense rain and flooding, another atmospheric river is expected to sweep across California. A new study shows the potential for constructed wetlands, which are already used in over 50 countries , to improve wastewater quality and mitigate greenhouse gas emissions.
Shallow lakes and ponds emit significant amounts of greenhouse gases into the atmosphere, but emissions from these systems vary considerably and are not well understood.
Methane is a potent greenhouse gas, estimated to be 80 times more damaging to the atmosphere than carbondioxide but not as long lasting. “People will say, ‘You could have burned the forest down!’ But people need to see things. You can’t just tell people about things. They won’t listen.”
Human activity adds more than 50 gigatons of carbondioxide to the atmosphere each year. New Solid Carbon technology might be able to lock climate-warming carbondioxide below ocean bedrock. What if scientists could turn back the clock on greenhouse-gas emissions – just a little? By Dr Kate Moran.
Critics question whether “trawl disturbance” is different from the carbon flux that naturally occurs in oceans. By Georgina Gustin The world’s oceans are massive and critical carbon sinks that absorb roughly one-third of the greenhouse gas emissions humans generate by burning fossil fuels and reshaping Earth’s landscape.
Oil and gas major ConocoPhillips’ website says gas is “one of the safest and cleanest fuels available” and that when it is burned, it “produces mostly carbondioxide and water vapor—the same substances emitted when humans exhale.” Methane is also a fast-acting greenhouse gas in terms of its impact on the climate.
Planets orbiting the Sun-like stars of Alpha Centauri could be carbon-rich worlds with diamonds and graphite littered across their surfaces, say astronomers. The absence of active volcanoes belching carbondioxide into the atmosphere would, in turn, severely reduce the planet’s active carbon cycle.
Support for carbondioxide removal (CDR) is growing globally. The recent boost for CDR is linked to an emerging trend in climate policy which understands CDR as supplemental to urgent action on decarbonization and overall greenhouse gas (GHG) emission reductions (rather than a replacement for those activities).
To date, most stakeholder engagement has focused on the lifecycle greenhouse gas (GHG) accounting framework required to accurately report the carbon intensity of electrolytically produced hydrogen, or hydrogen generated by using electricity to split water into hydrogen and oxygen.
People should be celebrating, not demonizing, modern increases in atmosphericcarbondioxide (CO2). In other words, the Earth came within 30 ppm in CO2’s atmospheric concentration of witnessing the extinction of most land-based plants and all higher terrestrial life-forms – nearly a true climate apocalypse.
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.
Management approved her shift in emphasis, hoping that she would prove that aerosols in the atmosphere (including those from auto exhaust) would completely offset the greenhouse gas effect. He talked her into studying climate change. Her research didn’t come out that way. The scientist, James F.
If people everywhere stopped burning fossil fuels tomorrow, stored heat would still continue to warm the atmosphere. Historically, the first climate models represented only the atmosphere and were greatly simplified. Today’s models can more explicitly represent the behaviour of greenhouse gases, especially carbondioxide.
On September 21, 2023, the Biden administration outlined plans to expand federal agencies’ consideration of the social cost of carbon—a metric for the economic cost of each additional ton of carbondioxide emitted to the atmosphere. The directive is, nonetheless, significant.
o C above pre-industrial levels, greenhouse gas emissions must reach net zero by mid-century. According to the IPCC, to achieve net zero emissions, carbondioxide removal (CDR) will be needed to “counter-balance hard to abate residual emissions” from sectors like agriculture, shipping, and aviation. Combining AU with AD—i.e.,
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