Hollywood actor Idris Elba is attempting to turn an island off the coast of Sierra Leone into a futuristic, eco-friendly "smart city". The London-born star, whose father was from the West African ...

Just 3.6°F (2°C) more warming could push Greenland’s ice sheet past the point of no return, triggering unstoppable melting. If global temperatures hit 6.12°F (3.4°C) above pre-industrial ...

A vision of the future or an expensive mirage ... a planned 170-kilometer-long linear city located in northwestern Saudi Arabia on the Red Sea coast. Doubts remain about its feasibility.

The laid-back Gold Coast would be impossible to leave. There are also more than 40 tourism development projects either under way or planned for the future as the city continues its transformation ...

Should Portland, Oregon be awarded an expansion Major League Baseball team, the city is prepared to break ... Until 2010, a ...