When Rwanda banned plastic bags in 2008, the use of paper exploded. But these papers bags shouldn't just litter the streets or fill dumpsters, and an entrepreneur is now turning them into jewelry and creating jobs.
Community activist Joshua Konkankoh wants to bring green, sustainable development to Cameroon and the world. His starting point? An ecovillage in the rural area he grew up in that wants to connect people to their roots.
Sierra Leone has no functioning public trash collection service. Some inventive tinkerers are taking matters into their own hands by turning discarded soda cans into stable and cheap cooking pots.
Smog impacts people’s health and causes diseases. The problem: You can’t really see or smell it. Now a start-up has built a device which measures air quality and tells users when the concentration is high.
The wolf would have to huff and puff forever to blow down Swiss architect Fredy Iseli's recycled paper houses. Fire and earthquake-proof and 12 times lighter than concrete, they even come at a fair price.
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