It delivers by bike and keeps overhead low so it can sell 'ethical' coffee at a competitive price.
Farmers' markets provide fresh food – and generate local revenue and jobs – says the Union of Concerned Scientists.
SeQuential travels to local businesses in Oregon and Washington to buy waste cooking oil that it converts into biodiesel for cars and trucks – and sells at its stations.
In Dharmasala, lawyer Vinayak Sharma uses his language and legal skills to help Tibetans facing India's complex legal system.
No. But they need to get off the 'philanthropic dole' and make other changes, a panel of experts suggest.
Rocketship schools employ computers and coaches to help teach low-income kids, and see student performance rise dramatically.
'We have to turn off ... the idea that I am right, and you are evil,' the Oregon politician says.
Her nonprofit Edesia produces Plumpy'nut, a nutritious paste rich in calories and vitamins.
Residents of Cambodia's capital city used to have little access to safe drinking water; now more than 90 percent of homes have it.
Patrick Crane was impressed by his solar roof. Now the former LinkedIn executive expects solar power to become a 'social phenomenon.'
The nonprofit supports Kenyan students who need mentoring or lack the means to pay for school. The next problem to solve: 9,000 desks for 14,000 students.
Small farmers in Benin in West Africa are using solar panels to power an innovative drip-irrigation system.
Don't buy plastic containers or aluminum foil when they can be reused over and over again, blogger says.
Refracted sunlight from soda bottles acts as a 'light bulb' in dimly lit homes in the developing world
Backpack Farms supports African farmers with low-cost products and training suited to their needs.
Trees such as black plum, marula, and dika provide fruits, leaves, and nuts that have nourished Africans for centuries.
Apps for Good recruits immigrant or unemployed youths from London neighborhoods to develop phone programs relevant to their needs and to teach entrepreneurial skills.
The SEED Organic Classroom Programme at 21 South African schools teaches sustainable farming techniques while feeding students.
Jonathan Starr founded Abaarso Tech in Somaliland to unlock the potential of the country's brightest boys and girls.
The Alabama Prison Arts + Education Project raises self-esteem and provides a creative outlet.