Solar power project in Brazil favelas hopes to shine in G20 spotlight
For residents of Morro da Babilonia, one of Rio de Janeiro's underdeveloped 'favela' neighborhoods, geopolitics rarely enters ...
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Solar panels on religious buildings save money — and inspire congregants to give green energy a try
If your neighbor installs solar panels, you're more likely to too. This "social contagion" can spread further in religious ...