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IEEE’s Plan To Help Combat Climate Change

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The IEEE Board of Directors formed an ad hoc committee on climate change in February to coordinate its response to the global threat. Why should IEEE be involved in combating climate change? Why should members care about climate change? Rahman: Climate change is an existential threat to humanity.

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IEA: global CO2 emissions rebounded to their highest level in history in 2021; largely driven by China

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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. Coal accounted for over 40% of the overall growth in global CO 2 emissions in 2021, reaching an all-time high of 15.3 billion tonnes.

Emissions 370
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EIA: US energy-related CO2 fell by 2.8% in 2019, slightly below 2017 levels

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CO 2 emissions from coal fell by 14.6%, the largest annual percentage drop in any fuel’s CO 2 emissions in EIA’s annual CO 2 data series dating back to 1973. The United States now emits less CO 2 from coal than from motor gasoline. In 2019, the transportation sector’s energy-related CO2 emissions declined by 0.7%

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EIA: CO2 emissions from US power sector have declined 28% since 2005

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The power sector has become less carbon-intensive as natural gas-fired generation displaced coal-fired and petroleum-fired generation and as the noncarbon sources of electricity generation—especially renewables such as wind and solar—have grown. In 2005, noncarbon sources accounted for 28% of the US electricity mix.

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Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

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This assessment provides an evaluation of black-carbon climate forcing that is comprehensive in its inclusion of all known and relevant processes and that is quantitative in providing best estimates and uncertainties of the main forcing terms: direct solar absorption, influence on liquid, mixed-phase, and ice clouds, and deposition on snow and ice.

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Alliance Formed to Commercialize Solar Reforming Technologies to Convert Waste CO2 into Synthetic Fuel

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An alliance of industry, academic and government organizations has formed to commercialize technologies that will utilize concentrated solar energy to convert waste CO 2 into synthetic fuels. Sandia began working on research, development and demonstration of solar reforming technologies more than 20 years ago. Source: Sandia.

Waste 268
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GWU team develops cost-effective solar process to produce lime for cement without CO2 emission

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Conventional thermal decomposition production of lime (left) versus STEP direct solar conversion of calcium carbonate to calcium oxide (right). Conducive to our new solar process, electrolysis of molten carbonates forms oxides, which precipitate as calcium oxide when mixed with calcium carbonate. Click to enlarge. —Licht et al.

Solar 285