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.
An 11-year-old boy in Ghana, Andrew Adansi-Bonnah, has started his own effort to raise millions of dollars to help hungry refugees in Somalia.
Her Street Books project finds avid readers among the homeless of Portland, Oregon.
Ex-ambassador Janet Siddall works with those caring for those affected by HIV/AIDS through the 'Grandmothers to Grandmothers' project
Nature writer David Gessner argues that we must first fall in love with nature before we will fight for it.
After a 16-year absence Peace Corps teachers like Arteeca Eccles are again helping children learn math, science, and English to in a country where only 35 percent of adults can read and write.
A quarter of the world's plant species may be headed toward extinction. Seed banks aim to prevent that.
Former President John Kufuor cut the number of hungry people in half through by using innovative ways to help farmers.
Her company, TechAccess, works with businesses large and small to ensure the disabled can use their products.