The recycling program helping migrants cut down contamination in Melbourne's outer west

Each year the brown waters of the Gumani river swell during the summer monsoon, creeping over the surrounding fields to flood Charbhangura, a village of 2,500 people in the Pabna district of northwest Bangladesh - when the fields flood, the farmers have no work. Shidhulai Swanirvar Sangstha trains locals to create floating farms and provide work, money, and food in all seasons.

Most people are unaware of how much food they waste. Food waste campaigns across the world are using creative marketing to raise awareness and encourage behavior change.

A robust population of grizzly bears can be an indicator of healthy land; however, the bears also can destroy grain bins, consume vegetation, and kill livestock. Ranchers work with the Canadian government and local conservation groups to protect their resources with bear-proof grain bins and electric fences.

For the past three years, water levels in the San Antonio Edwards Aquifer have decreased to uncomfortable levels and drought periods may continue as the population booms. The San Antonio Water System organization has set up rules to limit water use and has recycled water for conservation frugal innovation.

Throughout India, wastepickers – people who scour landfills for garbage they can sell to recyclers – live at the bottom of society. But the city of Pune did something radical: with the help of a collective, they did away with expensive garbage trucks, and now all household garbage is collected by wastepickers with pushcarts. Pune saves millions of dollars each year and recycles more – and the wastepickers have decent wages and social standing. The concept is now spreading globally.

When cattle die on ranches in Montana, they can attract grizzly bears that can come dangerously close landowners, ranches, and living livestock. Blackfoot Challenge, a coalition of ranchers and landowners who work with the government, collects and composts dead cattle into odorless woodchips. These woodchips are effective at repurposing carcasses into high-way side revegetation projects.

Renovating and furnishing a home can be hugely expensive. Homeowners who are renovating on a budget, and want to do so in a way that is evironmentally friendly, can find recycled luxury kitchens and other lightly used fixtures at stores like Green Demolitions.

One in five seniors reports cutting back on basics like food or heat to afford prescription drugs - for many, cutting back on medicine led to faster health declines, increased hospitalizations and premature death. Sirum, a new nonprofit, was designed to make it easy for institutions to donate medicines with the assurance that they would be safely transported and dispensed to people who needed them.

Nationally, only about a third of municipal solid waste is recycled. An initiative to use simpler, standardized signs and labels is helping communities reap greater benefits from recycling.

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.