1. Nigeria - Electricity and Toilets for Informal Settlements
In Nigeria,  86 million people live in extreme poverty. Many have to get by without electricity, running water, or adequate sanitary facilities. Now the government says it is implementing plans to improve conditions.

2. Mexico - Return of the Wolves
The lobo, or Mexican wolf, was hunted to the brink of extinction. Its natural habitat once extended from the southern United States into Mexico. Now, in the Mexican state of Chihuahua, efforts are being made to reestablish wolf populations. The wolves help balance the ecosystem, but many cattle farmers are skeptical.

3. Peru - Aztec Berries and the Internet
Villagers in the Manu Biosphere Reserve are actively engaged in protecting the environment while developing ways to make a sustainable and decent living. New crops, new farming methods, new kinds of jobs, and the arrival of the Internet are all making a difference.

4. Thailand - E-Tuk Tuks and Public Transport
Spending hours a day stuck in traffic jams is normal for Bangkok’s commuters. Much of the public transport is run-down and unreliable. Now there’s a green and efficient alternative: electric tuk-tuks bring passengers to the city’s many rapid transit stations.