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Air Quality 211Ʊ
October 28, 2020

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Leaving More Big Fish in the Sea Reduces Carbon Dioxide Emissions

Leaving more big fish -- like tuna, sharks, mackerel and swordfish -- in the sea reduces the amount of carbon dioxide released into the Earth's atmosphere. This is because when a fish dies in the ...

Promising Strategies for Durable Perovskite Solar Cells

Perovskite materials are increasingly popular as the active layer in solar cells, but internal forces in these materials cause distortions in their crystal structures, reducing symmetry and ...

Back to the Future of Climate

Hot and humid: Using minerals from ancient soils, researchers are reconstructing the climate that prevailed on Earth some 55 million years ago. Their findings will help them to better assess how our ...

Coastal Permafrost More Susceptible to Climate Change Than Previously Thought

Research has found permafrost to be mostly absent throughout the shallow seafloor along a coastal field site in northeastern Alaska. That means ...
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Earlier Headlines
 

A New Material for Separating CO2 from Industrial Waste Gases, Natural Gas, or Biogas

With a new material, the greenhouse gas carbon dioxide (CO2) can be specifically separated from industrial waste gases, natural gas, or biogas, and thereby made available for recycling. The ...

Colorful Perovskites: Thermochromic Window Technologies

Scientists report a breakthrough in developing a next-generation thermochromic window that not only reduces the need for air conditioning but simultaneously generates ...

Radiative Cooler That Cools Down Even Under Sunlight

Now that autumn is upon us, there is a large temperature gap between day and night. This is due to the temperature inversion caused by radiative cooling on the Earth's surface. Heat from the sun ...

A First-of-Its-Kind Catalyst Mimics Natural Processes to Break Down Plastics

A team of scientists has developed a first-of-its-kind catalyst that is able to process polyolefin plastics, types of polymers widely used in things like plastic grocery bags, milk jugs, shampoo ...

Light Pollution Alters Predator-Prey Interactions Between Cougars and Mule Deer in Western US

A new study provides strong evidence that exposure to light pollution alters predator-prey dynamics between mule deer and cougars across the intermountain West, a rapidly growing region where ...

Trees Bring Benefits to Society, Regardless of Their Origin

Trees planted in urban spaces provide a multitude of ecosystem and social services. At the same time, trees can be a source of inconveniences. Scientists have analyzed trees found in the Geneva ...

Odors as Navigational Cues for Pigeons

Volatile organic compounds identified that can be used for olfactory navigation by homing ...

A Controllable Membrane to Pull Carbon Dioxide out of Exhaust Streams

A system developed by chemical engineers could provide a way of continuously removing carbon dioxide from a stream of waste gases, or even from the air. The key component is an electrochemically ...

Arctic Ocean Sediments Reveal Permafrost Thawing During Past Climate Warming

Sea floor sediments of the Arctic Ocean can reveal how permafrost responds to climate warming. Researchers have found evidence of past permafrost thawing during climate warming events at the end of ...

Unprecedented Energy Use Since 1950 Has Transformed Humanity's Geologic Footprint

A new study makes clear the extraordinary speed and scale of increases in energy use, economic productivity and global population that have pushed the Earth towards a new geological epoch, known as ...

Understanding How Toxic PFAS Chemicals Spread from Release Sites

New lab studies are helping researchers to better understand how so called 'forever chemicals' behave in soil and water, which can help in understanding how these contaminants ...

Artificial Cyanobacterial Biofilm Can Sustain Green Ethylene Production for Over a Month

Ethylene is one of the most important and widely used organic chemicals. A research group has designed a thin-layer artificial biofilm with embedded cyanobacterial cell factories which were ...

Fuels, Not Fire Weather, Control Carbon Emissions in Boreal Forest

A team has found that the amount of carbon that burns in wildfires in western boreal forests depends more on available fuels than on fire weather such as drought conditions, temperature, or ...

COVID-19 Lockdowns Averted Tens of Thousands of Premature Deaths Related to Air Pollution, Study Finds

Scientists have found that particulate matter concentrations in China dropped by an unprecedented 29.7 percent, and by 17.1 percent in parts of Europe, during lockdowns that took place between Feb. 1 ...

Thawing Permafrost Releases Organic Compounds Into the Air

When permafrost thaws due to global warming, not only the greenhouse gases known to all, but also organic compounds are released from the soil. They may have a significant impact on climate ...

Aerosols Vs. Droplets

A new study investigates the secret of the SARS-CoV-2 virus's unusual success: its transmissibility, or how it manages to get from host to host. The dominant mode, it turns out, changes ...

Solar-Powered System Extracts Drinkable Water from 'Dry' Air

Researchers have significantly boosted the output from a system that can extract drinkable water directly from the air even in dry regions, using heat from the sun or another ...

Plastics Threat to South Pacific Seabirds Confirmed

Plastic gathered from remote corners of the South Pacific Ocean, including nesting areas of New Zealand albatrosses, has confirmed the global threat of plastic pollution to ...

Trees and Lawns Beat the Heat

As climate change pushes many cities towards dangerous temperatures, planners are scrambling to mitigate excessive heat. One strategy is to replace artificial surfaces with vegetation cover. In ...

New Global Temperature Data Will Inform Study of Climate Impacts on Health, Agriculture

A new data set provides high-resolution, daily temperatures from around the globe that could prove valuable in studying human health impacts from heat waves, risks to agriculture, droughts, potential ...

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