Tech

Nuclear should be considered part of clean energy standard, White House says

Enlarge (credit: US DOE) More details have emerged about the climate and energy priorities of President Joe Biden’s infrastructure plan, and they include support for nuclear power and carbon capture with sequestration (CCS). In a press conference yesterday with reporters, White House climate adviser Gina McCarthy said the administration would seek to implement a clean […]

Tech

Sweeping climate law zeroes out carbon pollution for Massachusetts

(credit: MIT News) Massachusetts Governor Charlie Baker signed into law late last week one of the nation’s most sweeping climate bills, putting the state on a path to net zero carbon emissions by 2050.  The law sets emissions limits of 50% below 1990 levels by 2030 and 75% cuts by 2040 with interim limits every […]

Tech

Building electronics that can survive under Greenland’s ice sheet

Enlarge / Sensors, support electronics, and a transmitter are all encased in a pressure-proof shell. (credit: Michael Prior-Jones) Through the GRACE satellite program, researchers have shown that Greenland’s ice sheet has been losing about 280 billion tons of ice each year—the equivalent of close to 1.5 million Olympic swimming pools. For glaciers like those in […]

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Could we fuel our jets using our sewage?

Enlarge / A future green jet fuel? (credit: Picture Alliance/Getty Images) For many applications, liquid fuels remain the most practical energy supply—applications like aircraft and large ships being obvious examples. It’s possible to avoid using fossil fuels for these applications, since there are many ways of producing biofuels. But we can’t produce biofuels at a […]

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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 […]

Tech

Biden administration puts a price on carbon

Enlarge (credit: Picture Alliance / Getty Images) On Friday, the Biden administration announced it had fulfilled the requirements of one of the executive orders issued on the very first day of his presidency: determining what’s called the “social cost of carbon.” This figure tries to capture the cumulative economic value achieved by investing in limiting […]

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Blaming a wiggly jet stream on climate change? Not so fast

Enlarge / The weather map on February 15. (credit: NASA EO) Some songs are earworms—catchy whether you like them or not. (I won’t infect the rest of your day with an example.) Some explanations in science seem to be the earworm equivalent: inherently intuitive, making them stick readily in the mind. That’s obviously the case […]

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Will Ferrell and GM want to prank Norway with pizza, but why?

Enlarge / GM and Will Ferrell took a Cadillac Lyriq EV to Sweden to highlight the fact that Norway buys more electric vehicles per capita than the US. (credit: General Motors) Although a bunch of automakers chose to sit out 2021, General Motors still saw value in advertising during this year’s Super Bowl. The automaker […]

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Amazon begins delivering packages with prototype electric trucks

Enlarge / A prototype Amazon delivery truck in the Los Angeles area. (credit: Amazon) A year and a half after Amazon announced it would buy 100,000 electric trucks to reduce its carbon footprint, Amazon says it has begun using prototype vehicles for real-world deliveries in Los Angeles. Amazon expects to spend a few more months […]