Small town, big numbers

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.

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.

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.

In Louisville, KY, many people suffer from allergies or asthma and need to take inhalers to assist their breathing. A new inhaler called Propeller Health connects to Bluetooth devices to help patients track their inhaler dosages as a form of self-surveillance. The data collected also has a broader impact, offering scientists insight on people’s breathing patterns in different geographic regions as well as the effectiveness of certain medicated inhalers.

Salt has become a costly and environmental problem in the twenty first century, with consumers overusing it in cooking and melting city roads during the winter. Salt has risen in price and has infiltrated the waterways, affecting the life in the water and contaminating drinking water. As a greener alternative to salt, Washington State University scientists have learned that the biproducts of vodka can help melt ice and snow.

The people of Malawi count on wood for cooking, cleaning, and sanitation, which contributes to the country’s ranking as fifth highest in the world for deforestation. Once thought unsolvable, the people of the country are planting trees, benefiting from water filters, and using efficient cookstoves.

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.