Electric cars are more expensive than gasoline models largely because batteries cost so much. But new technology could turn those pricey devices into an ...

At a two-hour drive from Riyadh, Saudi Arabia’s capital, rows of solar panels extend to the horizon like waves on an ocean. Despite having almost limitless ...

In the city of Duisburg in Germany’s industrial heartland is a vast steel complex that is one of Europe’s largest polluters. But alongside the mill’s ...