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Rio Tinto and ARENA to study hydrogen calcination to reduce carbon emissions in alumina refining

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Rio Tinto has partnered with the Australian Renewable Energy Agency (ARENA) to study whether hydrogen can replace natural gas in alumina refineries to reduce emissions. Klett and Perander (2015). Rio Tinto is aiming to reach net zero emissions across its operations by 2050. eds) Light Metals 2015. Perander L.

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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.) —Professor Garnaut.

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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.

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Australian study finds VW diesel using up to 14% more fuel in real world driving after emissions upgrade

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Emissions analysis commissioned by the Australian Automobile Association (AAA) has found an affected VW diesel vehicle to be using up to 14% more diesel after being recalled for the mandated emissions system fix. The tests showed a reduction in emissions of NO x carbon monoxide and particulate matter occurred after the recall fix.

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Aker Solutions awarded subsea gas compression contract for Jansz-Io

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Aker Solutions has been awarded a major contract from Chevron Australia Pty Ltd to provide a subsea gas compression system for the Jansz-Io field, offshore Western Australia. Client interface and operational planning will be handled from Perth, Australia. Earlier post.)

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Study using satellite data finds rate of urban growth much greater than previously thought

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An international team of researchers has used satellite images to map urban growth between 1985 and 2015. Urban area dynamics during 1985–2015 at the global and continent scales. They then extracted cells from the two fusion maps that changed from non-urban in 1985 to urban in 2015.