The Game-Changing Potential of Balcony Solar

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.

Chicago's Our Roots Chicago initiative has planted tens of thousands of trees, but its request-based planting system, cultural distrust, and maintenance failures have left the city's most tree-deprived census tracts still significantly underserved.

A Czech city leads the way in alternative energy, saving money and improving the air. In Litomerice, solar panels adorn apartment bulidings and serve as a n example to surrounding areas of how communities and governement can work together to improve air quality, all while saving money.

A growing number of people in the famously crowded Tokyo metropolis are becoming ‘city farmers’, planting crops atop tall buildings or deep underground. In an age of detrimental climate change, urban cultivation and green roof agriculture will soon be necessary as food, water and energy resources become scarcer.

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.

Caltrain's $2.4 billion electrification of 51 miles of track replaced diesel trains with faster electric ones, resulting in ridership increases (it doubled on weekends) and shorter trips. This also led to an 89% reduction in riders' exposure to toxic pollution and an estimated 250,000 metric tons of annual carbon emissions reductions.

The Piscataway Bioenergy Project converts human wastewater biosolids into renewable natural gas through anaerobic digestion, capturing methane that would otherwise enter the atmosphere. They have used the captured methane to fuel approximately 95 Montgomery County public buses at a reduced cost.

WindowDressers mobilizes community volunteers to build low-cost insulating window inserts for older homes. Their efforts have saved nearly 4 million gallons of heating fuel, preventing 44,000 tons of CO2 emissions, and strengthening neighborhood ties while making heating more affordable—especially for low-income households who now represent nearly 40% of recipients.

The Connecticut Green Bank's Solar MAP+ program acts as a "public developer" that bundles, finances, and directly develops solar projects for schools and municipalities that private developers avoid. To date, they've installed nearly 54 megawatts of solar, programmed to save $57 million in energy costs.

The Perinjanam Solar Initiative successfully combined government subsidies, cooperative bank financing, and a community-governed consumer committee to bring rooftop solar to over 1,000 households. Altogether, this cut monthly electricity bills by up to 80% and reduced carbon emissions by 192,000 kilograms, however such initiatives have failed elsewhere in Kerala due to the absence of government mandates, standardized financing frameworks, and the political will needed to scale the model statewide.