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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 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 top graph depicts CTL in a no policy scenario; the bottom graph, for CTL in a world climate policy scenario. However, the viability of CTL becomes quite limited in regions with climate policy due to the high conversion cost and huge carbon footprint. Credit: Chen et al., 2011 Click to enlarge.
Many non-Arctic countries are interested in the Arctic as the “canary in the coal mine” that can teach them about how climate change will impact their own states. They are also interested in the potential access to the vast hydrocarbons and resources in the region and the cost-savings of using shorter Arctic shipping routes.
The report—titled “The Role of China in Mitigating Climate Change” and published in the journal Energy Economics , compares the impact of a stringent emissions reduction policy with and without China’s participation. Eighty percent of those emissions came from coal, making China the consumer of about half the world’s coal.
UK-based B9 Coal, established in 2009 with the objective of developing projects combining Underground Coal Gasification (UCG) with Carbon Capture and Storage (CCS) and alkaline hydrogen fuel cells, is bringing together a consortium including WSP Group, AFC Energy and Linc Energy to develop such a project.
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.
CO 2 emissions from US coal-fired power plant could be phased out entirely by 2030 using existing technologies or ones that could be commercially competitive with coal within about a decade, according to a paper published online 30 April in the ACS journal Environmental Science & Technology. Credit: ACS, Kharecha et al.
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.
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.
The US Department of Energy (DOE) is seeking comments from industry and academia on a draft report outlining domestic unconventional fossil energy resource opportunities and associated technology applications, in support of an overall strategy for the further development of these resources. Unconventional Fossil Energy”.
The researchers found that while EVs do offer a very promising solution to energy issues due to their replacement of petroleum fuels, for now “ the high pollution levels of coal-fired power plants will trade off EVs’ potential energy benefits in China ”. The power of EVs is electricity from the grid.
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.
“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.
The United States has at least 2,400 billion metric tons of possible carbon dioxide storage resource in saline formations, oil and gas reservoirs, and unmineable coal seams, according to a new US Department of Energy (DOE) publication.
the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon (BC) is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated, according to the first quantitative and comprehensive analysis of this pollutant’s climate impact.
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.).
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.
Overview of the bluegas catalytic coal methanation process. By adding a catalyst to the coal gasification system, GreatPoint Energy is able to reduce the operating temperature in the gasifier, while directly promoting the reactions that yield methane, (CH 4 ). Click to enlarge.
A study published in Nature Climate Change suggests that thermoelectric power plants (i.e., nuclear and fossil-fueled generating units) in Europe and the United States are vulnerable to climate change due to the combined impacts of lower summer river flows and higher river water temperatures. Source: van Vliet et al.
Natural gas will play a leading role in reducing greenhouse-gas emissions over the next several decades, largely by replacing older, inefficient coal plants with highly efficient combined-cycle gas generation, according to a major new interim report out from MIT. The first two reports dealt with nuclear power (2003) and coal (2007).
billion—are attributable to corn-based ethanol, the climate effects of which are disputed. billion went to traditional sources—such as coal and oil—and $2.3 billion went to carbon capture and storage, which is designed to reduce greenhouse gas emissions from coal-fired power plants. Tags: Climate Change Fuels Policy.
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.
The base results from a study by a team at the Center for Transportation Research, Argonne National Laboratory indicate that shale gas life-cycle greenhouse gas (GHG) emissions are 6% lower than conventional natural gas, 23% lower than gasoline, and 33% lower than coal. However, the environmental impacts (e.g., —Burnham et al.
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. According to the 12 th Five-Year Plan of the China Coal Industry (2011?2015)
In contrast to the “green light” for coal-to-NG substitution for power generation, the authors suggest that climate benefits from vehicle fuel substitution are uncertain (gasoline, light-duty) or improbable (diesel, heavy-duty). Resources. Brandt, G. O’Sullivan, G. Pétron, S. Jordaan, P. Wilcox, A. Gopstein, D. Bradley, G.
Even if you have 100 percent capture from the capture equipment, it is still worse, from a social cost perspective, than replacing a coal or gas plant with a wind farm because carbon capture never reduces air pollution and always has a capture equipment cost. —Mark Jacobson. In both plants, natural gas turbines power the equipment.
In this paper, we focus on the implications of growing shale gas production for the climate. If natural gas is abundant and less expensive, it will encourage greater natural gas consumption and less consumption of fuels such as coal, renewables and nuclear power. —Newell and Raimi.
The Executive Board of thyssenkrupp AG has released the corresponding capital resources for the construction of the first direct reduction (DR) plant at its Duisburg site. As part of its tkH2Steel transformation project, coal-based blast furnaces will be replaced by hydrogen-powered direct reduction plants. With its capacity of 2.5
A NASA-led team of scientists has uncovered strong evidence that coal soot from a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps that began in the 1860s, a period often thought of as the end of the Little Ice Age (LIA). —Painter et al. Something was missing from the equation.
Aviation climate change impacts pathway. An an example, they point out that an SPK fuel option with zero life cycle GHG emissions would offer a 100% reduction in GHG emissions but only a 48% reduction in actual climate impact using a 100-year time window and the nominal climate modeling assumptions in the paper.
Ceres recently released a new report concluding that coal-to-liquid (CTL) and oil shale technologies face significant environmental and financial obstacles—from water constraints, to technological uncertainties to regulatory and market risks—that pose substantial financial risks for investors involved in such projects.
The climate change benefit is estimated for 2050 and human health and crop benefits are for 2030 and beyond. Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change. What are the multiple climate, health and crop-yield benefits (by region) of implementing the measures?
million barrels per day from 2010 to 2040, including the production of both petroleum (crude oil and lease condensate, natural gas plant [NGPL], bitumen, extra-heavy oil, and refinery gains), and other liquid fuels (coal-to-liquids [CTL], gas-to-liquids [GTL], biofuels, and kerogen). million barrels per day.
trillion in 2010) would be required to overcome poverty; increase food production to eradicate hunger without degrading land and water resources; and avert the climate change catastrophe. The reports estimates that incremental green investment of about 3% of world gross product (WGP) (about $1.9
The new report, part of the World Energy Outlook (WEO) 2011 series, examines the key factors that could result in a more prominent role for natural gas in the global energy mix, and the implications for other fuels, energy security and climate change. World primary energy demand by fuel in the IEA high gas scenario. Source: IEA.
Cutting the amount of short-lived, climate-warming emissions such as soot and methane won’t limit global warming as much as previous studies have suggested, according to a new study from the Joint Global Change Research Institute in College Park, Md., More realistic emission reductions would likely provide an even smaller climate benefit.
This article shows that including offsets in climate change legislation would likely make an emissions program more cost-effective by: (a) providing an incentive for non-regulated sources to generate emission reductions; and (b) expanding emission compliance opportunities for regulated entities. Assuming the offset is legitimate—i.e.,
The MIT Energy Initiative has released a new report on reducing carbon dioxide emissions from existing coal plants. There is no credible pathway toward prudent greenhouse gas stabilization targets without CO 2 emissions reduction from existing coal power plants. We may not see a strong CO 2 price signal for many years.
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.
Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and a major climate-forcing emission. Air pollution mitigation efforts focusing on reducing combustion pollution are likely to have major benefits for climate and human health.
The proposal was drafted as two measures, the Climate Protection Act —which sets the carbon price and finance programs for sustainable technologies—and the Sustainable Energy Act —which ends federal support for fossil fuel companies and research and extends tax incentives for renewables. Bernie Sanders (I-Vt.)
Total subsidies for renewable energy stood at $66 billion in 2010 (a 10% increase from the year before); the total value of global fossil fuel subsidies is estimated at between $775 billion and more than $1 trillion in 2012, Two thirds of the renewable energy subsidies went to renewable electricity resources and the remaining third to biofuels.
million) toward a $30-million underground coal gasification (UCG) project with Swan Hills Synfuels of Calgary. Swan Hills Synfuels expects the project to demonstrate the ability to manufacture synthetic gas from Alberta’s coalresources, with the future potential of utilizing the coal seams for carbon capture and storage.
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