Green tech is advancing faster than ever, offering practical, scalable solutions that drastically cut emissions and reshape how societies produce energy. Breakthroughs such as perovskite tandem solar ...

The phrase is bandied about more and more, but what do people really mean by green tech? What makes a green tech investment different from another? And why is green tech innovation so expensive?

For centuries, small-scale gold miners have used highly toxic mercury to extract tiny particles of gold from crushed ore. If not carefully managed, the resulting slurry can be devastating to the ...

This story was produced by our colleagues at the BBC. A crisis at one of Sweden’s most successful green tech startups is at risk damaging the country’s reputation as a world leader in climate ...