Study examines how clean air act affects municipal bond market

Credit: Unsplash/CC0 Public Domain Research has studied the effects of climate risk on financial markets, but few studies have addressed the effect of environmental policy on those markets. A new study examined whether federal policy aimed at mitigating local air pollution—specifically, the Clean Air Act—affected the municipal bond market from 2005 to 2019. The study […]

The best humidifier: Fight dry air (and a dry nose) all winter long

Here are some of the most important things to consider when looking for a new humidifier. (Jon’Nathon Stebbe via Unsplash/) The Environmental Protection Agency recommends that indoor air humidity levels are kept between 30 and 50 percent for optimal health. Dry air, whether indoor or outdoor, is a recipe for a host of potential inconveniences […]

What the pandemic can teach us about ways to reduce air pollution

The COVID-19 pandemic wasn’t just a shock to the human immune system. It was also a shock to the Earth system, dramatically changing the air quality in cities around the globe. As countries around the globe struggled to contain the disease, they imposed temporary shutdowns. Scientists are now sifting through data collected by satellite and […]

Assessment of air contamination by SARS-CoV-2 in hospital settings

What The Study Did: In this systematic review of current evidence on air contamination with SARS-CoV-2 in hospital settings, the air close to and distant from patients with COVID-19 was frequently contaminated with SARS-CoV-2 RNA; however, few of these samples contained viable viruses. High viral loads found in toilets and bathrooms, staff areas and public hallways suggest […]

Air pressure makes Mount Everest ‘shrink’ by thousands of feet, new study finds

Mount Everest is the tallest mountain in the world — but sometimes, it feels like the second-tallest, according to a story reported in the American Geophysical Union’s news blog Eos. That’s because the mountain’s air pressure fluctuates significantly throughout the year, a recent study found, causing the summit’s “perceived elevation” to occasionally dip below that […]

To Make Better Hurricane Models, Consider Air Pollution

Hurricane Harvey shocked the world in 2017 when it stalled over Houston, defying hurricane models and dumping 1.25 meters of rain onto the city. According to new research by a team of atmospheric scientists, a previously unaccounted for variable helped to drive the deluge: industrial air pollution. To investigate the role of air […]

Best portable air conditioner: Cool off where you need it most

Portable air conditioners that you can move from room to room. (Paige Cody via Unsplash/) When the broiling heat of the summer kicks in, there is no escaping the need for an air conditioner. Currently, the cooling market is packed with a wide variety of options to choose from when you absolutely need to make […]

Best air purifier: Fight allergens, smoke, and germs for cleaner indoor air

Here are some of the best air purifiers you can get for any room. (Coway/) The air we breathe is filled with tiny particles of every shape and size. Some are invisible to the naked eye, and others can be seen with bright light. But all of the components of these particles—dust, dander, pollen, mold, […]

Best Air Fryer: Kitchen Tools You Don’t Want to Live Without

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Tiny new species of sea blob hovers ‘like a hot air balloon’ over the seabed

Deep in an underwater canyon off the coast of Puerto Rico, there’s a party of balloon-like sea creatures keeping things festive in the abyssal depths. Their bodies are small — about the size of a golf tee (just over 2 inches, or 6 centimeters, long) — but they’re vibrant; when the creatures move and pulse, […]