Making the world a quieter place

As India's government promotes organic exports, farmers in Punjab have non-economic reasons for avoiding pesticides: Their health.

Fed up with living in the world's most polluted city, some residents are fighting back, on their rooftops and backyards. In 2010, India launched the Jawarharlal Nehru Solar Mission, a government program to deploy 20,000 megawatts of grid-connected solar power in the country, but much of this push for renewable energy has only been focused on rural areas, leading urban residents to take up local control of their energy supplies.

Daughter, water, trees: A simple strategy to address ecological and gender concerns. Since 2007, villagers in Piplantri have embraced Paliwal's the ethos by planting 111 saplings every time a girl is born.

Twelve million people are blind in India, and are robbed of their livelihoods as a result. A hugely successful chain of cataract hospitals in India helped its business by treating half its patients for free.

New York City black tar roofs cause a number of environmental problems, including air pollution, heat absorption that raises energy consumption, and storm water runoff in the sewer system. Efforts to turn these old roofs into green spaces cool the buildings, enable the containment of more rainfall, reduce sewer discharge, generate energy, and absorb carbon emissions. New York City has a pilot program offering financial help for green roofs.

Tooth decay affects children from all backgrounds, but it’s concentrated among low-income and rural populations, who have the most difficulty accessing and affording dental care. One approach gaining momentum in the United States to extend access to underserved groups is based on an idea that was pioneered in New Zealand 93 years ago, and has been adopted in more than 50 countries - the idea is to train “dental therapists,” who, like dental hygienists, work under the supervision of dentists, but who can also drill teeth and perform non-complex extractions.

In war zones, people have a difficult time finding clean water and safe areas to inhabit. Social media, smart phones, and technology applications are aiding in people’s survival. In Aleppo, Syria, the International Committee of the Red Cross posted a map on Facebook to show alternative sources of clean drinking water that reached approximately 140,000 people.

In India, 620 million people openly defecate outdoors, causing harm to hygiene, sanitation, food, and water resources. The president of India funded an initiative to build public toilets for the people in his country, but the people did not use them because of traditions and behaviors. The Total Sanitation Campaign is starting to change villagers’ minds by having local leadership persuade those who resist the toilets by holding community activities and creating special committees to maintain the sanitation.

Once-a-day generic AIDS drugs for poor countries are hard to make because each ingredient is patented by a different pharmaceutical company. The Patent Pool provides a way for companies to donate their intellectual property safely.

Billions of people around the world lack access to safe sanitation, causing disease and deaths. In Ecuador a foundation developed a cheap, dry, composting toilet for poor rural families.