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110 Million People in U.S. Under July 4 Heat Warnings and Advisories

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07 Jul, 2024

This post was originally published on Eco Watch

If you’re planning any outdoor activities this Fourth of July, be sure to hydrate regularly, wear sunscreen and watch for signs of heat stress, because it’s going to be a hot one.

A large portion of the United States — 110 million people across 21 states — will experience heat-related advisories and warnings in the West, southern Plains and Mid-Atlantic this Independence Day, reported Reuters.

“It’s really hot; I don’t know how else to put it,” said Jacob Asherman, a National Weather Service (NWS) meteorologist, as Reuters reported. “We’re having excessively hot weather across a lot of the country.”

According to the NWS, the next several days are predicted to bring an extensive heat wave with temperatures well above 100 degrees Fahrenheit in some areas.

“[W]ell above average temperatures over California and into southwest Oregon today before heat spreads further throughout the western U.S. this weekend,” the NWS forecast said. “Dozens of daily record high temperatures are possible, expressing the rarity of this early-July heatwave.”

The scorching temperatures are expected to continue into next week.

Portland, Oregon, was expected to edge toward 100 degrees Fahrenheit over the weekend — highly unusual for the Northwest city.

Jen Scott, a hardware store manager and native of Portland, said that, as a kid, “It was a big deal if it hit 90. But for the last few years, it’s been getting extra hot. But 100 is crazy.”

According to Scott, sales of fans and air conditioners have been booming.

“We’re not used to this,” she said.

The sizzling heat, low humidity and wind gusts in Northern California were exacerbating the state’s Thompson Fire, which had caused thousands to evacuate and grown to more than 3,000 acres since Tuesday, according to CalFire.

“Outdoor burning and especially fireworks are not recommended,” the San Francisco weather service warned before the holiday, as reported by CNN.

Construction workers build homes as temperatures reached 96°F in Fontana, California on July 1, 2024. Robert Gauthier / Los Angeles Times

Phoenix was predicted to reach 116 degrees Fahrenheit by Friday. Last year the capital of Arizona had a record-breaking 54 days in a row of temperatures of 110 degrees or higher, which included the entire month of July, Reuters reported.

“Heat impacts can compound over time, therefore it is important to remain weather aware and follow the advice of local officials… It is imperative to stay hydrated, out of direct sunlight, and in buildings with sufficient air-conditioning when possible. It is also equally as important to check on the safety of vulnerable friends, family, and neighbors,” NWS said on its website. “If planning to spend an extended amount of time outdoors this Fourth of July, be sure to use caution and act quickly if you see signs of heat-related illnesses.”

The post 110 Million People in U.S. Under July 4 Heat Warnings and Advisories appeared first on EcoWatch.

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The Politecnico di Milano, coordinator of the Waste Oils RecycLe and Development (WORLD) project, proposes a circular and sustainable process to turn used vegetable oil into a valuable resource.

Vegetable oil is used widely around the world, and cooking and food preservation is said to generate a huge amount of waste oil. Around four million tonnes of used vegetable oil are produced in Europe each year, representing just 4% of the total global amount of the widespread product. If not properly disposed of, the waste can lead to significant environmental impacts.

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The project study was published by the British Royal Society of Chemistry in the international journal RSC Sustainability.

“We started by observing that the waste vegetable oil recycling industry is currently based on simple decantation and filtration processes, without adequate scientific optimisation. We therefore analysed two alternative techniques — bentonite treatment and water washing — to improve their efficiency and reduce their environmental impact,” explained study co-author Andrea Mele, from the ‘G. Natta’ Department of Chemistry, Materials and Chemical Engineering at the Politecnico di Milano.

“Through an experimental approach based on the design of experiments (DoE) methodology and multivariate statistical analysis, we optimised key parameters such as temperature, pH, bentonite concentration and oil-to-water ratio. The results showed that washing with water at 75°C and pH 6 guarantees the best performance in terms of yield, productivity and environmental sustainability, minimising the production of waste and the carbon impacts of the process,” continued co-author Alberto Mannu, who recently transferred from the Politecnico di Milano to the Department of Mechanical and Industrial Engineering at the University of Brescia.

Thanks to the WORLD project, a mathematical model developed from the collected data yields predictions of equivalent CO2 emissions according to operating conditions, providing the recycling industry with a practical tool for optimising processes in line with environmental certification standards.

This scientifically validated approach marks a step forward in the transition towards an efficient and sustainable circular economy. It is said to form part of the key principles of green chemistry, open new prospects for sustainability and efficiency, and may be highly competitive from a technical/economic perspective in models of the circular economy.

The WORLD project was funded by the European Union under the H2020-MSCA program. The consortium, which is coordinated by Politecnico di Milano, includes the Universities in Burgos (Spain) and Dunkirk (France), LUT University (Finland), and the Universities of Sassari and Brescia, together with non-academic partners in Spain and Italy.

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