The fast fashion market (and its huge environmental footprint) has been growing exponentially over the past few decades; while sales of secondhand clothing, facilitated by digital tools, are also on the rise. But is it enough to stem mainstream fashion's toxic tide? Read on

With water scarcity becoming an ever-growing concern, we urgently need new and innovative ways to reduce our water use. The Hydraloop offers homeowners and building developers a simple way of recycling up to 85% of their water - all via a grey box not much bigger than your average fridge. Read on

Installing solar panels tends to be a big commitment, often requiring what amounts to a small-scale home makeover. But now a startup has developed a new system for renters and homeowners who want both green power and convenience. Read on

When it comes to things that are bad for the climate, flying is pretty high up on the list. But actually, the energy consumed by our digital habits - all those emails, posts, search queries, streamed songs and shared videos - has long since overtaken the CO2 emissions of air travel. Read on

Like every person, every building is unique. So how can you easily, affordably and reliably reduce the energy consumption of something so complex? An American start up delivers a digital solution. Read on

Researchers are using satellite imagery to monitor whales from space, to speed up and streamline conservation efforts and also better understand the state of their natural environment. Read on

Traffic jams and congested roads are a big problem in almost every large city in the world. Could flying taxis offer a solution? Unlikely. They're not much more than the futuristic dream of a rich elite. Read on

Sunflowers have been expertly capturing the power of the sun for millennia, and now modern science is catching up. Read on