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

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The results have important implications for Earth’s climate because methane is about 25 times more powerful than carbon dioxide when it comes to warming the planet over a long period. In addition to coal mining, other major sources of methane emissions globally include wetlands, agriculture, and oil and gas facilities.

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Final report of Garnaut Review Update recommends carbon pricing scheme for Australia to do its fair share on climate change

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It will be much harder and more expensive for Australia to do its fair share on climate change without a carbon pricing scheme, according to the final report of the Garnaut Climate Change Review – Update 2011, Australia in the Global Response to Climate Change. Earlier post.)

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New report finds global CO2 vehicle emission reduction measures falter; dropping diesels, increasing SUVs

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The slowdown was especially pronounced in advanced economies; 27 countries saw an increase or stagnation in average vehicle CO 2 emissions in the two years up to 2017. per year between 2015 and 2017. North America and Australia have a particularly high market share of SUVs, reaching almost 60% in 2017. Source: GFEI.

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New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%

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A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. Those markets include Australia; Brazil; Canada; China; the European Union; India; Japan; Mexico; Russia; South Korea; and the United States.

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CSIRO report concludes that sustainable biojet fuel industry is achievable for Australia/New Zealand

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This development further enables the stabilization of aviation industry emissions from 2020 and assists in reducing emissions from 2030. If this scenario is realized, then by 2030 Australia and New Zealand are expected to save more than A$2 billion (US$2.1

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Australia PM Gillard announces carbon pricing plan; transport fuels exempt, but lowered fuel tax credits to bring carbon price to some businesses

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Australia’s per capita CO 2 emissions are higher than those of the US due to an emissions-intensive energy sector. Australia Prime Minister Julia Gillard unveiled Australia’s carbon pricing plan—a core element in a new clean energy plan—in a short address to the nation. Click to enlarge.

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NASA’s New Earth Space Mission maps methane ‘super-emitters’

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NASA’s Earth Surface Mineral Dust Source Investigation ( EMIT ) mission is mapping the prevalence of key minerals in the planet’s dust-producing deserts—information that will advance our understanding of airborne dust’s effects on climate. Identifying methane point sources can be a key step in the process.