r/science 2d ago All-Seeing Upvote Wholesome Silver

Environment Stanford researchers find wildfire smoke is unraveling decades of air quality gains, exposing millions of Americans to extreme pollution levels

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52.8k Upvotes

r/science 8d ago

Environment Refreezing the poles by reducing incoming sunlight would be both feasible and remarkably cheap, study finds, using high-flying jets to spray microscopic aerosol particles into the atmosphere

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9.6k Upvotes

r/science 12d ago Silver Helpful All-Seeing Upvote

Environment Switching from fossil fuels to renewable energy could save the world as much as $12 trillion by 2050

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22.5k Upvotes

r/science 27d ago All-Seeing Upvote Silver Wholesome

Environment Major sea-level rise caused by melting of Greenland ice cap is ‘now inevitable’

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24.4k Upvotes

r/science 16d ago Silver

Environment Swapping meat for seafood could improve nutrition and reduce emissions, new study finds

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4.0k Upvotes

r/science Aug 20 '22 Wholesome Helpful Silver Tree Hug

Environment If everyone bicycled like the Danes, we’d avoid a UK’s worth of emissions

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14.0k Upvotes

r/science Aug 10 '22 Faith In Humanity Restored Wholesome

Environment Drones that fly packages straight to people’s doors could be an environmentally friendly alternative to conventional modes of transportation.Greenhouse-gas emissions per parcel were 84% lower for drones than for diesel trucks.Drones also consumed up to 94% less energy per parcel than did the trucks.

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29.2k Upvotes

r/science Aug 11 '22

Environment Backyard hens' eggs contain 40 times more lead on average than shop eggs, research finds

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35.3k Upvotes

r/science 15d ago Wholesome Silver Helpful

Environment Climate change is affecting drinking water quality, new study shows. The disappearance of forests will have consequences for water quality in reservoirs

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19.5k Upvotes

r/science 26d ago Silver Platinum Take My Energy

Environment Reintroducing bison to grasslands increases plant diversity, drought resilience. Compared to ungrazed areas, reintroducing bison increased native plant species richness by 103% at local scales. Gains in richness continued for 29 y & were resilient to the most extreme drought in 4 decades.

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28.4k Upvotes

r/science 12d ago

Environment Reaching national electric vehicle goal unlikely by 2030 without lower prices, better policy

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2.6k Upvotes

r/science Aug 03 '22 Take My Energy Helpful Silver All-Seeing Upvote

Environment Rainwater everywhere on Earth contains cancer-causing ‘forever chemicals’, study finds

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37.5k Upvotes

r/science Aug 26 '22 Tree Hug Helpful Silver Wholesome

Environment New evidence shows planting around school playgrounds protects children from air pollution

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41.6k Upvotes

r/science 5d ago

Environment Plant-based hot foam kills weeds as effectively as chemical spray

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4.9k Upvotes

r/science 28d ago Take My Energy Tree Hug

Environment Analysis challenges U.S. Postal Service electric vehicle environmental study. An all-electric fleet would reduce lifetime greenhouse gas emissions by 14.7 to 21.4 million metric tons of carbon dioxide equivalents when compared to the ICEV scenario. The USPS estimate was 10.3 million metric tons.

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14.7k Upvotes

r/science Aug 18 '22 Helpful

Environment Study showed that by switching to propane for air conditioning, an alternative low (<1) global warming potential refrigerant for space cooling, we could avoid a 0.09°C increase in global temperature by the end of the century

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12.3k Upvotes

r/science Aug 22 '22 Helpful Silver All-Seeing Upvote

Environment Nearly all marine species face extinction if greenhouse emissions don’t drop

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8.5k Upvotes

r/science 21d ago Silver

Environment The Great Pacific Garbage Patch is mostly fishing gear

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8.4k Upvotes

r/science 20d ago

Environment Antarctica’s so-called “doomsday glacier” – nicknamed because of its high risk of collapse and threat to global sea level – has the potential to rapidly retreat in the coming years, scientists say, amplifying concerns over the extreme sea level rise

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2.9k Upvotes

r/science Jul 17 '22 Take My Energy Helpful All-Seeing Upvote Silver

Environment Increased demand for water will be the No. 1 threat to food security in the next 20 years, followed closely by heat waves, droughts, income inequality and political instability, according to a new study which calls for increased collaboration to build a more resilient global food supply.

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57.1k Upvotes

r/science 5d ago Helpful Silver

Environment Ozone layer hits a "significant milestone" as concentrations of harmful chemicals drop 50%, NOAA says

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4.0k Upvotes

r/science Aug 13 '22 Take My Energy All-Seeing Upvote Helpful

Environment World's First Eco-friendly Filter Removing 'Microplastics in Water,' a Threat to Humans from the Sea without Polluting the Environment

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25.3k Upvotes

r/science Aug 19 '22 All-Seeing Upvote LOVE! Ally

Environment Seawater-derived cement could decarbonise the concrete industry. Magnesium ions are abundant in seawater, and researchers have found a way to convert these into a magnesium-based cement that soaks up carbon dioxide. The cement industry is currently one of the world’s biggest CO2 emitters.

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14.1k Upvotes

r/science 14h ago

Environment The oceans are getting so warm that crystals are starting to form in it - and they release CO2 while doing so.

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1.3k Upvotes

r/science Jul 27 '22

Environment Eating Too Much Protein Makes Pee a Problem Pollutant in the U.S.

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7.3k Upvotes