In a proof-of-concept study, researchers report that a simple, low-cost technique provided visual proof that face masks are effective in reducing droplet emissions during normal wear. They found that the …read more Source:: Science
Tag: emissions
Volcanic carbon dioxide emissions helped trigger Triassic climate change
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•A new study finds volcanic activity played a direct role in triggering extreme climate change at the end of the Triassic period 201 million year ago, wiping out almost half …read more Source:: Science
Heat stress may affect more than 1.2 billion people annually by 2100
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•Heat stress from extreme heat and humidity will annually affect areas now home to 1.2 billion people by 2100, assuming current greenhouse gas emissions, according to a new study. That’s …read more Source:: Science
Captured carbon dioxide converts into oxalic acid to process rare earth elements
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•Removing carbon dioxide from power plant emissions is a good idea to start with — and it may have an extra economic benefit. Engineers are presenting results on turning carbon …read more Source:: Science
For a lower climate footprint, vegetarian diet beats local
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•A new study provides a more comprehensive accounting of the greenhouse gas emissions from EU diets. It shows that meat and dairy products are responsible for the lion’s share of …read more Source:: Science
Emissions from most diesel cars in Europe greatly exceed laboratory testing levels
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•A new study reports that Volkswagen is not the only auto manufacturer to make diesel cars that produce vastly more emissions on the road than in laboratory tests. The study …read more Source:: Science
What natural greenhouse gases from wetlands and permafrosts mean for Paris Agreement goals
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•Global fossil fuel emissions would have to be reduced by as much as 20 percent more than previous estimates to achieve the Paris Agreement targets, because of natural greenhouse gas …read more Source:: Science
US oil & gas methane emissions 60 percent higher than estimated
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•The US oil and gas industry emits 13 million metric tons of the potent greenhouse gas methane from its operations each year, 60 percent more than estimated by the US …read more Source:: Science
Cutting greenhouse gas emissions would help spare cities worldwide from rising seas
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•Coastal cities worldwide would face a reduced threat from sea level rise if society reduced greenhouse gas emissions, with especially significant benefits for New York and other US East Coast …read more Source:: Science
Two degrees of warming already baked in
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•Even if humans could instantly turn off all our emissions of greenhouse gases, the Earth would continue to heat up about two more degrees Fahrenheit by the turn of the …read more Source:: Science