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The amount of methane released into the atmosphere as a result of coal mining is likely approximately 50% higher than previously estimated, according to research presented at the recent annual meeting of the American Geophysical Union. The authors point out that less coal production doesn’t translate to less methane.
The study will appear next month in the peer-reviewed journal Climatic Change Letters. The study will appear next month in the peer-reviewed journal Climatic Change Letters. Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem. —Tom Wigley.
A multi-Hubbert analysis of coal production by Tadeusz Patzek at The University of Texas at Austin and Gregory Croft at the University of California, Berkeley concludes that the global peak of coal production from existing coalfields will occur close to the year 2011. The CO 2 emissions from burning this coal will also decline by 50%.
The Rhodium Group, an independent research provider, estimates that, after a sharp uptick in 2018, US greenhouse gas (GHG) emissions fell by 2.1% This decline was due almost entirely to a drop in coal consumption. Coal-fired power generation fell by a record 18% year-on-year to its lowest level since 1975. Coal-driven decline.
The Covid-19 crisis in 2020 triggered the largest annual drop in global energy-related carbon dioxide emissions since the Second World War, according to IEA data, but the overall decline of about 6% masks wide variations depending on the region and the time of year. Many economies are now seeing emissions climbing above pre-crisis levels.
With demand for lithium set to increase over the next decade, Roskill has calculated , using its in-house analysis, that CO 2 emissions from lithium production are set to triple by 2025 versus current levels and to grow by a factor of six by 2030, with the vast majority of this coming from mineral concentrate production, shipping and refining.
Global energy-related carbon dioxide emissions rose by 6% in 2021 to 36.3 billion tonnes, their highest ever level, as the world economy rebounded strongly from the COVID-19 crisis and relied heavily on coal to power that growth, according to new IEA analysis. In 2021 alone, China’s CO 2 emissions rose above 11.9 billion tonnes.
US electric power sector CO 2 emissions have declined 28% since 2005 because of slower electricity demand growth and changes in the mix of fuels used to generate electricity, according to the US Energy Information Administration (EIA). Source: US EIA, US Energy-Related Carbon Dioxide Emissions , 2017.
A new report from the MIT Joint Program on the Science and Policy of Global Change shows the importance of all major nations taking part in global efforts to reduce emissions—and in particular, finds China’s role to be crucial. Meeting a 2 °C target is problematic unless radical GHG emission reductions are assumed in the short-term.
Researchers from the University of Birmingham have designed a novel adaptation for existing blast furnaces that could reduce CO 2 emissions from the steelmaking industry by nearly 90%. billion in 5 years while reducing overall UK emissions by 2.9%. If implemented in the UK alone, the system could deliver cost savings of £1.28
To achieve goals for climate and economic growth, “negative emissions technologies” (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climate change, according to a new report from the National Academies of Sciences, Engineering, and Medicine.
A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Recent reports in the scientific literature and popular press have produced confusion about the climate implications of natural gas.
Plastics are on track to contribute more greenhouse gas emissions than coal plants in the US by 2030, according to new report by Beyond Plastics, a nationwide project based at Bennington College in Vermont. This report represents the floor, not the ceiling, of the US plastics industry’s climate impact. By 2025, more than 9.5
Life-cycle GHG emissions per MJ of fuel produced and combusted for both 100-year and 20-year time horizons. However, the range in values for shale and conventional gas overlap, so there is a statistical uncertainty whether shale gas emissions are actually lower than those of conventional natural gas. Credit: ACS, Burnham et al.
“Blue” hydrogen—produced through steam methane reforming (SMR) of natural gas or coal gasification, but with CO 2 capture and storage—is being described as having low or zero carbon emissions. Even if true though, the use of blue hydrogen appears difficult to justify on climate grounds. —Howarth and Jacobson.
Aviation climate change impacts pathway. A new study by researchers at MIT has found that factoring the non-CO 2 combustion emissions and effects into the lifecycle of a Synthetic Paraffinic Kerosene (SPK) aviation fuel can lead to a decrease in the relative environmental merit of the SPK fuel compared to conventional jet fuel.
While the number of new clean power-generating plants completed stayed flat year-to-year, the volume of power derived from coal surged to a new high, according to Climatescope , an annual survey of 104 emerging markets conducted by research firm BloombergNEF (BNEF). thousand terawatt-hours in 2018, up from 6.4 thousand in 2017.
CicLaVia where public streets from Boyle Heights to Downtown, MacArthur Park to East Hollywood will be shut down to traffic and open to you and me emission free. My favorite part of this next CicLaVia is t he Bike Parade coming from my friends at Greenpeace and Sierra Club which they’re calling ROLL AGAINST COAL.
The US Environmental Protection Agency (EPA) released its 28 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2019. CO 2 emissions decreased 2.2% Total GHG emissions in 2019 were up 1.8% from 2018 to 2019.
earlier post ), a new study by a team at Environmental Defense Fund finds that the climate impact of hydropower facilities varies widely throughout the world and over time, with some facilities emitting more greenhouse gases than those burning fossil fuels. They also estimated emissions caused by flooding the reservoir.
Energy-related carbon-dioxide (CO2) emissions in 2010 were the highest in history, according to the latest estimates by the International Energy Agency (IEA). After a dip in 2009 caused by the global financial crisis, emissions are estimated to have climbed to a record 30.6 tonnes for China, and 1.5 tonnes in India.
A study led by Norwegian climate center CICERO has found that the global warming effect of leaked hydrogen is almost 12 times stronger than that of CO 2. Unlike exhaust from burning coal and gas that contains CO 2 , burning hydrogen emits only water vapor and oxygen. The climate effects of hydrogen have been an under-researched topic.
Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. Preparing the US for the impacts of climate change. Earlier post.).
In addition, it is said that zero emissions can be realized by utilizing CO 2 -free hydrogen as a raw material for ammonia. In particular, a significant reduction in CO 2 emissions is expected to be achieved by replacing coal and natural gas as the main fuels for power generation.
In regions where the share of coal-based electricity is relatively low, EVs can achieve substantial GHG reduction, the team reports in a paper in the ACS journal Environmental Science & Technology. emissions are less important because of the low contribution of light duty vehicles to national PM 10 and PM 2.5
It aims to replace coking coal, traditionally needed for iron ore-based steelmaking, with fossil-free electricity and hydrogen. The company also seeks to tackle carbon emissions in its wider operations, its supply chain and through recycling and reuse of materials. By 2040, Volvo Cars’ ambition is to be a climate-neutral company.
The US Environmental Protection Agency (EPA) has proposed Clean Air Act standards to reduce CO 2 emissions from fossil-fuel fired power plants (electric utility generating units, EGUs). The proposed rulemaking establishes separate standards for natural gas and coal plants.
In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 CH 4 emissions represented 8.8%
The ICCT has conducted a comprehensive global and temporal life-cycle assessment of GHG emissions from a variety of alternative passenger car powertrains and fuels. The life-cycle GHG emissions of cars registered in 2021 are compared with those of cars expected to be registered in 2030.
On Thursday, EPA Acting Administrator Andrew Wheeler announced a new rule that will allow coal-fired power plants to emit more than 35 percent more global warming pollution than the current law allows.
The US Department of Energy (DOE) in partnership with the US Air Force has issued a request for information (RFI)— DE-FOA-0000981 —on research & development aimed at greenhouse gas emissions reductions and cost competitiveness of Mil-Spec jet fuel production using coal-to-liquid (CTL) fuel technologies. Information Request.
This year’s edition highlights the growing divergence between demands for action on climate change and the actual pace of progress on reducing carbon emissions. The longer carbon emissions continue to rise, the harder and more costly will be the necessary eventual adjustment to net-zero carbon emissions.
million metric tons, will avoid the emission of 3.5 As part of its tkH2Steel transformation project, coal-based blast furnaces will be replaced by hydrogen-powered direct reduction plants. Thus, the Duisburg steelworks is continuing to boil steel as in the past—but with hydrogen and green power instead of coal.
gigatonne gap between CO 2 emissions calculated on the basis of the two publicly available official energy data sets from China: one national, the other provincial. The area chart shows the increase of CO 2 emissions calculated from the national energy statistics since 1997 broken down by different fuel type. Source: Guan et al.
The least expensive way for the Western US to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy that may include nuclear power, according to a new study by University of California, Berkeley, researchers. Click to enlarge.
Energy-related CO 2 emissions buy state, 2010. The US Energy Information Administration (EIA) has released a new report, State-Level Energy-Related Carbon Dioxide Emissions, 2000-2010. The report shows a significant variation of energy-related carbon dioxide emissions across states on both an absolute and a per capita basis.
The President’s Council of Advisors on Science and Technology (PCAST) released a letter to President Obama describing six key components the advisory group believes should be central to the Administration’s strategy for addressing climate change. Both approaches are essential parts of an integrated strategy for dealing with climate change.
And so it is that I resigned from my position as Director of Strategic Partnerships and Public Affairs for CBS EcoMedia effective the first of this month and I will now be devoting my full time to working on climate change response with the South Bay 350 Climate Action Group, the South Bay Bicycle Coalition and 350.org.
kWh—approximately 2–4 times current retail costs—for emission-free alternatives to fossil fuel electricity due to the cost of health impacts from fossil fuel electricity, according to a new analysis by a pair of researchers at the US Environmental Protection Agency (EPA) Clean Energy and Climate Change Office, Region 9.
While natural gas can reduce greenhouse emissions when it is substituted for higher-emission energy sources, abundant shale gas is not likely to substantially alter total emissions without policies targeted at greenhouse gas reduction, according to a new study by two researchers at Duke University. —Newell and Raimi.
Greenhouse gas (GHG) emissions across the European Union rose slightly in 2017, mostly because of the transport sector. emissions increase in 2017 from 2016. This limited increase means that the EU is still expected to achieve its 2020 emissions reduction target, albeit by a narrower margin. from the year before.
Projected changes in summer mean usable capacity of power plants in the US and Europe for the SRES A2 emissions scenario for the 2040s (2031–2060) relative to the control period (1971–2000). A study published in Nature Climate Change suggests that thermoelectric power plants (i.e., Source: van Vliet et al. Click to enlarge.
(KOBELCO) has successfully demonstrated technology that can reduce CO 2 emissions from blast furnace operations by approximately 20% by combining the Midrex’ HBI technologies and the blast furnace operations of Kobe Steel. Coke is carbon fuel made from coal. RAR is thus the quantity of carbon fuel used in blast furnace ironmaking.
All large-scale energy systems have environmental impacts, and the ability to compare the impacts of renewable energy sources is an important step in planning a future without coal or gas power. In the journal Joule , Harvard researchers report the most accurate modelling yet of how increasing wind power would affect climate.
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