Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...

It's a Porsche 911 with electric power that's called Viper. Confused? Don't be. The Viper Commission is the latest ...

Many people are familiar with the idea of greening cities, which involves developing and enhancing urban green spaces. But ...

A green energy plant expected to be built in Chile could increase night-time sky brightness at one of the world's most ...