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DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

Green Car Congress

Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. The results are published in an open-access paper in the Nature Partner Journal (npj) Climate and Atmospheric Science. Burkhardt et al. —Ulrike Burkhardt.

Climate 278
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How Engineers Can Help Protect Earth From Worsening Climate Change

Cars That Think

The day reminds us of the need to protect our planet and its ecosystems against the worsening climate crisis. The climate crisis is threatening people across the world, as well as every species of animal and plant life. Climate change is a global societal crisis that is causing devastating consequences.

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Climate Expert: Don't Call It Geoengineering

Cars That Think

The leaders of the world have just returned from the UN's latest climate change summit, COP26 , in which the countries that have signed on to the Paris Agreement upped their commitments to fight climate change. C by the year 2100 , according to Climate Action Tracker. C above pre-industrial levels. C above pre-industrial levels.

Climate 141
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Climate Of Courage – Smart Women Are Making Me Think, Question My Beliefs & Change My Mind

Creative Greenius

The rightful backlash to his “Let’s Just Roll Over & Play Deal On Climate” came from many quarters, but the most searing and right-on takes came from climate and gender journalist Amy Westervelt ; Climate scientist, Kate Marvel ; and Climate Justice Advocate and Essayist, Mary Annaise Hegler.

Climate 210
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U.K. Startup’s Digital Dyeing Printers Save Energy, Water

Cars That Think

This is a sponsored article brought to you by LEMO. Miles of fabrics are immersed in gigantic “washing machines” full of dye and water. Alchemie’s machines dye cotton using 95 percent less water and 70 percent less energy. They dye polyester using 95 percent less water and 85 percent less energy.

Water 64
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Pilot Project Sends Kelp–and Carbon–to the Seafloor

Cars That Think

Last January, in the waters off Cebu City in the Philippines, researchers first deployed a huge flexible ring seeded with seaweed and spanned by spokelike ropes and tubes. Every nightfall, cranks mounted on a floating platform lower the ring 25 meters below the surface to expose the seaweed to cooler, more nutrient-rich water.

Carbon 121
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Stanford team reports new low-cost, non-precious metal catalyst for water splitting with performance close to platinum

Green Car Congress

Researchers at Stanford University, with colleagues at Oak Ridge National Laboratory and other institutions, have developed a nickel-based electrocatalyst for low-cost water-splitting for hydrogen production with performance close to that of much more expensive commercial platinum electrocatalysts. Click to enlarge. V with good stability.

Low Cost 273