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  • Balcony solar took off in Germany. Why not the US?

    Utah legislators passed a bill exempting small-scale balcony solar installations from utility interconnection regulations to replicate Germany's successful approach, but the absence of national electrical standards and safety certifications have so far prevented widespread adoption and impact in the U.S.

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  • These ferries speed commutes and cut pollution — and they fly

    In Stockholm, an electric ferry that uses hydrofoils—underwater wings that increase the ship’s speed by allowing it to glide above the water’s surface—causes 98 percent fewer carbon emissions than a traditional diesel ferry. Other cities, such as Lake Tahoe and Berlin, are now considering implementing the technology.

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  • How Pakistan quietly became world's biggest solar importer

    Pakistani households and small businesses independently embraced rooftop solar systems, making Pakistan the world's largest solar panel importer by 2024—a notable success demonstrating the potential of decentralized, economically driven clean energy transitions.

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  • In the wake of disasters, rural health could end up running on sunshine 

    In 2023, Hot Springs received a microgrid of solar panels and lithium-ion batteries, which can provide 100 percent of the town’s peak load and up to six hours of backup power. In Hurricane Helene's wake, the microgrid operated continuously for 143.5 hours during a blackout.

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  • How bitcoin drives cheap green energy production in Kenya

    To use up excess renewable energy and help finance the expansion of power grids, companies such as Gridless are connecting energy producers in African countries with cryptocurrency miners that are eager to buy up unused power. By selling off energy to cryptocurrency companies, one hydropower system was able to expand its electricity service to 500 more homes.

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  • Steaming ahead: Are community boilers the answer?

    SteamHouse’s community boiler system supplies steam energy to about 45 companies in Surat’s industrial area, offering more affordable, reliable, and environmentally friendly ways to power factories.

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  • Mining is an environmental and human rights nightmare. Battery recycling can ease that.

    Lithium-ion battery recycling, spearheaded by companies like Redwood Materials, collect and process batteries from electric vehicles and consumer electronics, recovering critical minerals and reducing reliance on damaging mining practices.

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  • North Carolina program helps low-income utility customers pay their bills

    The Customer Assistance Program—a collaboration designed by Duke, North Carolina’s Department of Health and Human Services, and a host of advocates—offers a monthly energy bill credit of up to $42 for households under a certain income threshold. In the first of three pilot years, about 55,000 households accessed this financial aid.

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  • This muggy city keeps cool with minimal AC. Here's how.

    Local real estate developer Lodha Group created Palava City, a 5,000-acre experimental community using creative green building techniques and layout initiatives, supporting its mission of creating a net-zero community. The city is being developed in phases on a community level, without the restrictions of local government, and plans to house about two million residents. Those already living in the community praise its energy efficiency and walkability compared to nearby cities.

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  • For climate and livelihoods, Africa bets big on solar mini-grids

    In Nigeria, nearly half of the population doesn’t have access to electricity grids, making solar a cheap and versatile option to bring affordable, reliable and eco-friendly power to millions. The country is using solar mini-grids, small installations that produce up to 10 megawatts of electricity. Nearly 120 mini-grids are now installed, powering about 50,000 households and reaching about 250,000 people.

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