A new mix of materials makes solar cells a thousand times more efficient, Britain&...

Argentina broadens access to medical marijuana, Cambodia is winning the fight against...

Paris to Create City’s Largest Park, Urban Tree Challenge Fund, Solar-Powered...

Paris is creating the city’s largest garden near Eiffel Tower; the UK government will fund the planting of 130,000...

Largest Food Forest in the U.S., Africa’s Elephant Poaching in Decline, Solar...

Atlanta plans to transform 7 acres of vacant forested land into a public food forest; the illegal killing of...