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  • In London, Electric Trucks Are Helping UPS Make ‘Eco-Friendly' Deliveries

    UPS has converted about one-third of its diesel vehicles to electric power, a move backed by the British government to reduce carbon dioxide emissions and air pollution in London. While making the switch to electric reveled challenges with the city’s power grid, officials said they have been encouraged by the results of the pilot program, which could also be applicable to other modes of transportation like buses and ambulances in other cities around the world.

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  • The Movement for Urban Tree Expansion Is Growing

    Austin, Texas and King County, Washington are both participating in a new experiment by non-profit City Forest Credits (CFC) that uses creative financing to fund green spaces and tree-planting in cities. More specifically, CFC is piloting a new way that private entities can "offset their carbon emissions by buying credits for tree planting or preservation." Although the work is costly at the beginning, organizers hope the public benefits of more urban trees will make the program a worthy investment.

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  • The entire city of Paris will be car-free for a day

    Car use in Paris has dropped 45 percent since 1990. To combat air pollution and reduce its carbon footprint, the city has invested in bike lanes and redesigned intersections for pedestrians. An annual car-free day demonstrates how the city could function entirely without cars.

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  • Fighting Fire with Fire: California Turns to Prescribed Burning

    In California’s wildfire-prone Sierras, forest managers are turning to an ancient, if not quite intuitive, tool: more fire. In 2019, the Forest Service will manage 250,000 acres with controlled burns and “mechanical thinning,” using equipment to take out small trees. Though such plans face some hurdles, states across the country are adopting them, reducing wildfire severity while often benefiting ecosystems.

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  • Cool Ways of Keeping Things Cool

    Inventors have come up with energy-efficient refrigeration options. A fridge uses water and ice to protect vaccines in places with irregular access to electricity. An engine that runs on liquid nitrogen reduces fossil fuel dependence in food shipping.

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  • UPS Trucks Don't Turn Left and Neither Should You

    By having its drivers eliminate most left turns on their routes UPS has saved millions of gallons of fuel and reduced the output of tons of carbon dioxide. The company put the policy in place in 2004 after its vehicle routing software in all its trucks determined left turns wasted time and money stopping them also reduces accidents. These gains could increase exponentially if every driver eliminated left turns but that is probably unlikely.

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  • How Forecasting Models Are Changing the Way We Fight Fires

    The National Weather Service has been helping firefighting crews better prepare for and fight wildfires. They’ve developed a model called the High-Resolution Rapid Refresh-Smoke (HRRR-Smoke) to show where there’s higher smoke density and what direction it’s heading toward. The agency is hoping to continue their work to become better at preventative measures so that towns and cities can prepare ahead of time.

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  • How This Community Fought for $70 Million in Cleanup Funds — and Won

    Fresno sits in right in the middle of the Central Valley of California. The region is known for its vast agriculture and farming communities, but to locals, it's also known for its horrid air quality. This is especially true in the southwest territory of Fresno, where some of the most economically disadvantaged also reside. After a series of failed attempts by local government, the community took matters into their own hands, joining forces and fighting for the right to design their own plan for better air quality.

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  • Planting Trees to Help Dallas Breathe

    In 2016, the Texas Trees Foundation and federal Trust for Public Land partnered to use GIS technology in greening Dallas, Texas, and plant some 1,000 trees to start. Not only does the initiative reduce respiratory problems like asthma--over the next 40 years, the new tree cover is expected to create about $2.9 million in environmental benefits, sucking around 250 tons of CO2 from the air and capturing around 4 million gallons of stormwater.

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  • A simple solution to help cities fight overheating: more trees

    Trees are an effective bulwark against summer heat, providing shade and cooling the air as water evaporates from leaves. A collaborative project mapped heat and other considerations in Dallas and picked the neighborhood of Oak Cliff to plant more than 1,000 trees. The ultimate goal is to revegetate the entire city.

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