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  • Where Has Vienna's 'Coolness' Gone?

    Vienna’s cool streets provide a safe outdoor space to escape the heat in the summer. The city used a heat map and population data to select streets with high concentrations of residents who are particularly vulnerable to extreme heat, like children and the elderly. At the selected locations, traffic was limited and asphalt was covered with turf, benches, mist machines, and water fountains. When the city challenged the project, a citizen’s initiative in the Ottakring district worked with the local council to keep one cool street open last summer, saving a public safe outdoor space.

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  • The Corner Store Comeback

    Cities in the United States are changing zoning restrictions in residential areas to allow businesses like corner stores and cafes to reestablish themselves there. It’s in an effort to improve walkability, cut emissions, and build a stronger sense of community — and people are responding well.

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  • This Native-Led Group Is Bringing Solar Power to Tribal Lands

    Native Renewables, a Native- and women-led nonprofit, is bringing free, off-grid solar energy systems to homes in the Navajo and Hopi reservations that don’t have access to power. And it’s doing so by training local Indigenous peoples to work in the industry so they can reap the economic benefits of these careers instead of hiring out the work.

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  • Un lugar donde escapar del calor a menos de 10 minutos: cómo se tejió la red de "refugios climáticos" de Barcelona

    La red de refugios climáticos de Barcelona, que empezo en 2020 con 70 espacios, se ha convertido en un referente internacional para la protección de los ciudadanos ante el calor. En 2023, el 68% de los ciudadanos tuvieron un refugio climático a cinco minutos caminando desde su casa y el 98%, a diez minutos.

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  • From Scooters to Microtransit, Cities Are Embracing Alternatives to Short Car Trips

    Getting to public transportation can be difficult for commuters. Microtransit is easing that burden and reducing emissions by replacing individual car trips. Partnerships between cities and companies ensure shared, on-demand scooters, bikes, or vehicles are available to help people reach public transportation.

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  • London saw a surprising benefit to fining high-polluting cars: More active kids

    After a clean air zone was created in London, where vehicles have to pay a daily fee to enter unless they meet strict pollution standards, more young students in the area began walking and biking to school.

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  • Ecotourism offers new hopes for Bhutanese youth — and local environments

    Local communities in Bhutan are developing ecotourism sites to create jobs, generate income, and protect endangered species and ecosystems. They’ve created ecolodges and campsites, host traditional dining experiences with food from local farmers, and host nature-based activities, all while leading conservation efforts on the land they use.

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  • A new solution for flood-prone cities? Concrete made from shellfish waste.

    Concrete mixed with shellfish waste is more porous than traditional concrete, allowing water to drain through rather than running off the surface of the pavement. The material has helped prevent flooding in places such as a community garden in Blackpool, England, which is in an area with many fish processors who can provide the needed shells for the concrete mix.

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  • How a Technology Similar to Fracking Can Store Renewable Energy Underground Without Lithium Batteries

    Three startups in Houston are using a technique similar to fracking, a practice used in the oil and gas industry, to store renewable energy without batteries. They use excess renewable energy to pump pressurized water into manmade caverns underground. When energy is needed, they open the caverns, sending the water back to the surface to turn a turbine and generate power.

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  • Lights on: Brick kiln workers in western UP begin the transition to solar energy

    Brick-making businesses in Uttar Pradesh, India, are switching from coal to solar panels to power their kilns. The swap allows them to meet more than their electricity needs, also supplying energy to their employees’ huts, while reducing emissions.

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