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  • The social enterprise that takes on ‘Big Air' with data

    Smart Air is a social enterprise in Beijing that educates people about clean air and debunks myths about expensive air purifiers marketed by large corporations. Smart Air instead offers effective products at a more affordable price, making clean air more accessible.

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  • Cooler, Cleaner Megacities, One Rooftop Garden at a Time

    Organizations in Egypt and Bangladesh are greening their cities by turning rooftops into urban gardens that can grow food, reduce air pollution, and decrease air temperatures. Green Savers in Dhaka has installed more than 5,000 rooftop gardens in the city and Urban Greens in Cairo partners with sponsors to install hydroponic rooftop gardens for families experiencing economic hardship. It’s been a challenge to convince people that the cost to maintain these spaces is worthwhile, but through community outreach efforts, these organizations have seen an increase in interest in installing rooftop gardens.

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  • State employees work from home when threat of bad air quality looms

    Although work-from-home was mostly a reaction in response to the pandemic, in Salt Lake City, Utah, the strategy has developed the potential to improve air quality. Most state employees are now required to telework certain days in order to help curb bad air quality days, and are given at least a 48-hour notice. During the pandemic, having close to 9,000 state employees stay home reduced pollution by 40 tons over the course of April 2020 to May 2021.

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  • Cleaning up Cambodia's kitchens could curb deforestation, climate change

    In Cambodia 2.5 million people use stoves fueled by forest biomass; charcoal and wood. The emissions caused by using biomass are extremely harmful not only to people but also to the environment. The emissions caused by biomass globally are equal to those of the aviation industry. To counter the problem, several organizations and companies are providing alternatives for Cambodian families like electric stoves. One company, Khmer Green Charcoal, created stoves that run on “clean” charcoal made from coconut shells. More than 6,500 households across the country have made the transition.

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  • How Kitimat B.C. is catching its breath

    A new aluminum plant in British Columbia would have ended up putting more sulphur dioxide into the air, but the Kitimat Terrace Clean Air Coalition (KTCAC) helped bring this to light and encourage them to install air monitoring stations. They wrote letters to the government and took the company to court. As a result of their efforts, three air monitoring stations were installed to measure the particulate matter and alert residents if levels increased. “Industry and government are listening to people who are concerned in Kitimat,” says Steve Stannus, a founder of KTCAC.

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  • Corn Farmers Upend Tradition to Reduce Air Pollution

    After a drought left cattle farmers in Mexico without grass to feed its animals, a unique partnership with corn farmers allowed them to use their leftover stalks and leaves. Usually, the farmers burn these materials, known as stover, which contributes to air pollution. This partnership was facilitated by the government and allowed the corn farmers to sell their leftovers to the cattle farmers. As a result, carbon monoxide and carbon dioxide emissions dropped significantly, and a new market for these materials is emerging.

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  • How Madison County Residents Successfully Lobbied Legislators Over Pollution Concerns

    After Georgian residents raised concerns about a pollutant that was being emitted by a nearby biomass plant, they banded together to pass legislation that effectively put an end to the practice. These concerned residents founded the Madison County Clean Power Coalition to raise awareness of the effects of creosote burning, which, when breathed in, has shown to increase the risk of lung and heart disease. Their lobbying efforts resulted in the governor signing into law a ban on burning creosote-treated wood.

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  • New York's Real Climate Challenge: Fixing Its Aging Buildings

    A housing project in Brooklyn is taking nine apartment buildings and retrofitting them to be more sustainable and cut carbon emissions. Casa Pasiva is a $20 million project that aims to reduce heating and cooling costs because of updated machinery and thick exteriors that will improve air quality. Funding for these types of initiatives is not always certain, but a collaboration between a developer and a nonprofit, with some city financing, made this first-of-a-kind green building renovation in New York possible.

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  • Could Carbon Dioxide Be Turned Into Jet Fuel?

    Scientists at Oxford University have come up with a process that could turn carbon dioxide into jet fuel. The greenhouse gas, which is a major contributor to climate change, is constantly emitted by the aviation industry and this method would allow for that gas to be recycled into a liquid fuel for flights. Scaling the experiment has its challenges, but the process could result in net-zero emissions from airplanes.

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  • London Is “Rewilding” and Native Species Are Flocking In

    Indigenous flora and fauna are returning to London in a successful effort to maintain the indigenous biodiversity of city centers. The Wild West End project is “rewilding” through green spaces to bring back natural habitats that have been disrupted due to urban, and now suburban, development. A noted increase in wildlife is helping achieve the goal of revitalizing “pathways of natural habitat along which wildlife can travel and flourish unfettered by human activity."

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