gold

Jewellery giant's plan to only use silver and goal from recycled sources will slash its carbon footprint and water usage, moving it closer to a commitment to become carbon neutral by 2025

Technology giant will source gold for its gadgets from miners registered under the Salmon Gold partnership, which combines mining with habitat protection for wild salmon

The annual Consumer Electronics Show in Las Vegas once again featured a host of emerging clean technologies - BusinessGreen takes a look at some of the most eye-catching developments