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One Minneapolis resident launched a grassroots education campaign to help her neighborhood reduce carbon emissions from home heating by upgrading her home insulation and using electric appliances. She then shared information about the energy-efficiency improvements and available rebates to fund them. Between 2019 and 2024, area residents using these strategies reduced natural gas use by 29%, and is now being replicated in other neighborhoods throughout the city.

Faced with severe heat waves, escalating electricity costs and frequent blackouts, Pakistan took a grassroots approach to transitioning to solar power, making electricity more accessible and affordable. They’ve become a major market for solar, importing 17 gigawatts of solar panels from China in 2024 alone, doubling their 2023 numbers, making Pakistan the world’s third-biggest importer of solar panels.

Amidst electricity shortages, Health System Consultant Limited came to a local hospital’s aid, outfitting the medical center with solar panels to ensure patients can still access healthcare services. Since the installation, patients at the General Hospital in Maru say diagnosis speed and the quality of care they receive have improved.

In an effort to lower electric rates and move toward more renewable energy, Kauai residents raised funds to acquire and turn the area’s for-profit utility company into a locally owned cooperative, the Kauai Island Utility Cooperative (KIUC). When it was formed in 2008, KIUC pledged to reach 50% renewable electricity by 2023, and last year it was already generating 60% of its energy from renewables like solar power.

A collaborative partnership among local and national organizations made it possible to install solar panels on 10 Greensboro homes for free. Because of this effort, many low-income families have seen a significant decrease in their energy bills and an increase in value of their homes. Although convincing people to install the panels was a challenge, organizers are now figuring out how to scale the initiative and make it sustainable in the longterm.

Ashton Hayes- a small town in England- adopted a Carbon Neutrality mission, meaning they hoped to produce as much energy as they consumed. Over the past 10 years they have reduced their emissions by 40%, attributing their success to the resulting neighbourhood cohesion, dedication, and it being a public decision as opposed to one made or implemented by politicians.

Solar energy is a clean, cheap, renewable, and land-efficient resource, making it a valuable technology to scale up in the face of climate concerns and clean energy. Diversifying the supply chain for creating and sourcing solar panels can help make solar energy more reliable when faced with geopolitical and human rights issues.

WeSolar makes solar power accessible to low-income residents by building and investing in community-solar farms and signing residents up for credits from investor-owned utilities. The startup, the first community solar business led by a Black woman, saves customers as much as $250 on their utility bills by signing up for community solar. Convincing residents, many of whom have had bad experiences with predatory utility schemes, requires working with church and community groups to earn trust. Community solar also requires legislation that allows for shared renewable energy projects.

In 2020, Nigeria's Rural Electrification Agency installed a 50-kilowatt solar-hybrid system at Gombe State Specialist Hospital, providing uninterrupted electricity to critical units, including the ICU and emergency departments. Since its installation, maternal mortality dropped from 15-20 deaths monthly to 1-2 per month, and neonatal deaths also decreased from 50 to 20-25 monthly. The system has also helped healthcare workers perform life-saving surgeries without interruption, as these surgeries were often delayed or impossible due to power outages.

Balcony solar (balkonkraftwerk)—affordable, plug-in solar panels that can be installed without an electrician—has been adopted by over one million German households, particularly renters previously excluded from rooftop solar, following policy changes that simplified registration and made landlord approval mandatory.