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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.
, but it inevitably brings forth a mish-mash of half-remembered, inappropriate or out-of-date comparisons between the impacts of carbondioxide and methane.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.
Global net anthropogenic greenhouse gas emissions 1990–2019. Global net anthropogenic greenhouse gas emissions include carbondioxide from fossil fuel combustion and industrial processes, net carbondioxide from land use, land use change and forestry, methane, nitrous oxide, and fluorinated gases.
chemical plant in Louisiana that produces a common refrigerant may be partly to blame for increased emissions of CFCs—chemicals thousands of times more potent at warming the planet than carbondioxide.
Westlaw searches for “global warming” and “greenhouse effect” pick up only a handful of citations before 1985. But it’s not totally clear what he meant, because “climate change” was used at the time to refer to a range of issues including acid rain, damage to the ozone layer, local weather control efforts, and desertification.
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.
The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air. Carbondioxide (CO 2 ) is the most important greenhouse gas that we have added to the atmosphere, however, some of it has been absorbed by land and oceans.
Environmental Protection Agency’s GreenChill Program recognized 12 food retail companies and one manufacturer of advanced refrigeration systems for their exceptional achievements to reduce the use of ozone-depleting substances and/or climate-damaging refrigerants. For more information, visit EPA's GreenChill Program webpage.
If we are to avert climate catastrophe, the shipping sector must immediately begin to eliminate the 1 billion-plus metric tons of greenhouse gases it emits every year. Growth in the LNG Fleet However, LNG is not a low greenhouse gas fuel and has serious climate implications. times more potent than CO 2 over the near term.
million in Alternative Fuel Incentive Grants (AFIGs) to 18 cleaner fuel transportation projects statewide that will reduce greenhouse gas emissions and other air pollutants. Transportation generates 47 percent of nitrogen oxide emissions in Pennsylvania, contributing to the formation of ground-level ozone.
As governments enact mandatory greenhouse gas emission laws and as businesses voluntarily make “net zero” pledges, we are increasingly working with organizations, first to understand and calculate their GHG emissions, then to implement strategies for efficacious yet frictionless reductions. Air conditioning and refrigeration.
Rapid, deep cuts to fossil fuel use are necessary to address the climate crisis The power sector is second only to the transportation sector in terms of total US greenhouse gas emissions, making up about a quarter of overall emissions. It must not respond by watering the protections down based on industry disinformation.
Green hydrogen––produced with renewable electricity and water––is often described as a tool for decarbonizing the challenging last 10% of greenhouse gas emissions. It is also a precursor to other pollutants, including ozone (a key component of smog). All this is not to say there is no place for hydrogen in a clean energy future.
Methane’s Warming Potential : Methane, a colorless, odorless, and highly flammable gas that occurs abundantly in nature and from a variety of anthropogenic activities, has a considerably higher global warming potential than carbondioxide. Carbondioxide emissions, on the other hand, arise almost exclusively from burning fossil fuels.
Some in the industry see the warming as an opportunity, as passages through the Arctic open for longer periods, even going so far as to claim there will be lower overall greenhouse gas (GHG) emissions from the shorter voyages.
Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbondioxide, one of the greenhouse gases heating up the climate, in the air.
Over the past 15 years, Partners have avoided emissions of over 500 metric tons of ozone-depleting substances and roughly 100 million metric tons of carbondioxide equivalent. This is roughly equivalent to the greenhouse gas emissions from consuming over 11 billion gallons of gasoline. Click Here for the complete release.
Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbondioxide, helping to address climate change. The deadline is December 15.
In addition to the 22 percent passenger and light duty vehicle requirement, the proposed regulation will also add a greenhouse gas fleet average requirement for Pennsylvania sales. Transportation generates 47 percent of nitrogen oxide and 21 percent of carbondioxide emissions in Pennsylvania.
to help reduce greenhouse gas emissions. carbondioxide. including urban photochemical smog, acid rain and increased tropospheric ozone, and climate change at the local, regional, and global level respectively. Once all these new rules take effect, how do we actually achieve the emissions reduction goals? free market.
Despite these claims, burning waste coal is still just burning fossil fuel and results in the emissions of significant amounts of air pollution including ozone precursors, fine particulates, acid gasses, heavy metals, and vast amounts of carbon pollution.
Despite these claims, burning waste coal is still just burning fossil fuel and results in the emissions of significant amounts of air pollution including ozone precursors, fine particulates, acid gasses, heavy metals, and vast amounts of carbon pollution.
Step 1: There is a natural greenhouse effect. Thus there must be a large amount of IR absorbed by the atmosphere (around 158 W/m 2 ) – a number that would be zero in the absence of any greenhouse substances. Step 2: Trace gases contribute to the natural greenhouse effect. The Earth’s Energy Budget (NASA).
These settlements are the latest in EPA’s urgent efforts to limit the greenhouse gas emissions that cause climate change and hold corporate polluters accountable for jeopardizing public health.” Uhlmann for EPA’s Office of Enforcement and Compliance Assurance. Specifically, by Dec. million to plug or remediate them.
The legislature put two provisions in the Appropriations Act of 2023 (House Bill 259) to prevent state agencies from adopting rules intended to reduce emissions of greenhouse gasses such as carbondioxide (CO2) in the state. ’s current ozone SIP based on vehicle emission inspections in 19 N.C.
For example, the ongoing debate over the impact of certain pesticides in agriculture , greenhouse gas emissions are often a battle between the science and industry's attempts to muddy the science and government lobbying to roll back legislation (2). Typically used in conjunction with “greenhouse gas” but some emissions are not GHGs.
Much of the discussion of climatology in public discourse concerns anthropogenic climate change - the contribution of human activity to such events as carbon particles, greenhouse gases, and their effects such as the Greenhouse Effect and coral bleaching. This leads to the greenhouse effect. Greenhouse Gases.
Hydrogen is an indirect greenhouse gas that can lead to the formation of ozone and methane. These impacts are only beginning to be understood, but preliminary analysis projects significant short-term climate impacts that can far exceed those of carbondioxide.
It is mainly methane, which is 80 times more potent than carbondioxide in trapping heat for the first 20 years after it is released. Nitrous oxide has been called the “ forgotten greenhouse gas ” because while it is a powerful contributor to climate change, it generates far fewer headlines than carbondioxide.
Methane is a potent greenhouse gas 80 times more powerful than carbondioxide for the first twenty years that it remains in the atmosphere. “For the future of Pennsylvania’s climate and the health of those living closest to oil and gas wells, the EPA must adopt the strongest rules possible as quickly as possible.”
Methane is a potent greenhouse gas that traps about 80 times as much heat as carbondioxide, on average, over the first 20 years after it reaches the atmosphere and is responsible for approximately one third of the warming from greenhouse gases occurring today. EPA is also seeking peer review of the report.
This, along with many other chemicals, like diesel particulates and ground-level ozone that form soot and smog, and metals like lead in paint and drinking water, are regulated by the EPA to keep us safe. In addition, the EPA should revise or scrap the social cost of carbon (SCC), according to the Blueprint.
Circuit found that FERC failed to address the significance of a National Environmental Policy Act (NEPA) regulation that the petitioners argued required use of the social cost of carbon or another methodology to assess the impacts of the projects’ greenhouse gas emissions. Vecinos para el Bienestar de la Comunidad Costera v.
The emissions make a significant contribution to climate change because methane is a highly potent greenhouse gas which, in the first 20 years after it is released, traps approximately 84 times more heat in the earth’s atmosphere than carbondioxide (on a per ton basis).
EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. billion tons of carbondioxide emissions by 2050. billion tons of carbondioxide emissions by 2050. Following the 2007 landmark Supreme Court case Massachusetts v.
EPA of a 2015 rule barring replacement of ozone-depleting substances with hydrofluorocarbons (HFCs), which are powerful greenhouse gases. Circuit vacated the 2015 rule to the extent that it prohibited continued use of HFCs by companies that previously switched to HFCs from an ozone-depleting substance. In Mexichem , the D.C.
This latest report looks at mitigation — or what the world can do to stop pumping greenhouse gases into the atmosphere. or 2 degrees without a radical reduction in greenhouse gas emissions and electrifying many of the things that currently run on fossil fuels. Capturing carbon is a must. The IPCC said 1.5
Climate: The Environmental Protection Agency does not list a timetable to act on a new carbondioxide rule for existing power plants. CEQ is also planning to revive guidance on how to factor greenhouse gas emissions and climate change into NEPA reviews, after Obama-era guidance was yanked by the Trump administration.
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. Biden , Civ. 4:21-cv-00287-SPM (E.D. March 8, 2021).]]
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