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Corn ethanol no better—and probably worse—than burning gasoline, study says

Enlarge (credit: John Paraskevas/Newsday RM) For over a decade, the US has blended ethanol with gasoline in an attempt to reduce the overall carbon pollution produced by fossil fuel-powered cars and trucks. But a new study says that the practice may not be achieving its goals. In fact, burning ethanol made from corn—the major source […]

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US Army turns to microgrids, EVs to hit net zero by 2050

Enlarge / A US Bradley Fighting Vehicle drives during a joint military exercise between the Syrian Democratic Forces (SDF) and the US-led international coalition against the Islamic State (IS) group, in the countryside of Deir Ezzor in northeastern Syria on December 7, 2021. The US Army is currently testing a version of the Bradley with […]

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Cargo ships could switch to renewable fuels, but it ain’t cheap (yet)

Enlarge (credit: Darren Hillman ) The transition to clean energy involves some markets where we have solutions that are no-brainers (more wind and solar, please) but also some head-scratchers. Maritime shipping falls in the latter category. Barring a return to sailing, these vessels will continue to require relatively high energy-density fuel to cheaply move goods […]

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Recent CO₂ emissions flattened out by revised forest data

Enlarge / Carbon cycle, illustrated. (credit: Global Carbon Project ) Rarely has the future of Earth’s climate felt as malleable as it does this week. While substantive climate legislation morphs behind the scenes of the US Congress, nations have gathered in Glasgow to improve on their Paris Agreement pledges. Pledges, of course , require follow-through […]

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Trump EPA sidelined its own scientists when rewriting fuel economy rules

Enlarge / Former EPA Administrator Scott Pruitt. (credit: Aaron P. Bernstein / Getty Images) The Trump administration effectively muffled scientific staffers at the Environmental Protection Agency when it rewrote automobile pollution rules, the agency’s watchdog said. When drafting fuel economy and greenhouse gas pollution rules for cars and light trucks, former EPA Administrator Scott Pruitt […]

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As a crop, cannabis has enormous carbon emissions

Enlarge / All those lights take energy. (credit: DEA) Back in the pre-legalization days, cannabis production meant finding a rarely visited patch of land and growing outside, or it meant taking cultivation indoors—typically to a basement where your product wouldn’t be visible from the outside world. But the power use involved in lighting a basement […]

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Wish to cancel your carbon footprint? Here Is What you Will Need to understand

Expand (charge: Aurich Lawson / / Getty Images) From the Middle Ages, the Catholic Church provided indulgences, allowing folks swap contributions such as slips of paper which assured reduced period in purgatory following their passing. Less controversially, now somebody who over-indulges at the workplace tea provide may feel obliged to cover a replacement box. Does […]

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Does newspaper recycling advantage that the climate? It depends upon

For a lot of folks, the most comfortable method to”go green” or even”be green” is likely paper recycling. (And possibly its aging division uncle:”Take a tree until you publish this email. “) there are lots of means to appraise the ecological advantages of these activities, and among these will be greenhouse gas emissions. Just just […]

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Last year, US emissions went {} 2018 uptick

Expand (charge: Cathy) Together with the last tallies done, the US Energy Information Administration (EIA) introduced its own energy-related COtwo emissions information to 2019 on Wednesday. Including all fossil fuel combustion for producing energy, heating buildingsand industrial processes, and transport. In general, EIA sets a year’s complete at 2.8% less than 2018 and equivalent to […]