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Study findings suggest that switching from coal to natural gas would do little for global climate

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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.

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Study Concludes Peak Coal Will Occur Close to 2011

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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. Gt C (15 Gt CO 2 ) per year, according to the study.

Coal 357
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MIT study concludes that absent climate policy, coal-to-liquids could account for around a third of global liquid fuels by 2050

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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. of global electricity demand. Credit: Chen et al., 2011 Click to enlarge.

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MIT report finds China’s actions on climate change crucial; argues for global economy-wide greenhouse gas tax

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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. Without China, we miss that mark by about 1 °C. C change by the end of the century.

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CICERO-led study finds global warming effect of leaked hydrogen almost 12x stronger than CO2

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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. A global warming potential of 11.6 Sand et al.

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Study finds methane emissions from coal mines ~50% higher than previously thought

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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.

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IEA: global carbon dioxide emissions have rebounded strongly

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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.

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