Struggling with a gift idea this Christmas? Why not donate to one of these innovative good causes?

The air in our cities is polluted. With sensors, citizens can collect measurements, allowing them to uncover sources and build up political pressure.

Open Food Network takes 'buying local' to the next step by introducing communities of shoppers to the farmers and producers that live around them.

A student-led initiative in Zurich called Autonomous River Cleaning (ARC) wants to tackle plastic pollution in rivers with a robotic vessel that can gather, sort and analyse waste.

Digital maps form an essential tool for humanitarian response. A group of mapping volunteers are now working to ensure all crises spots are covered.

Whether its counting penguins, deciphering historical records or listening to the stars, Zooniverse harnesses people power to assist in breaking down the big data behind scientific research.

Passive water harvesting technologies offer clear advantages in terms of power use, but are often limited in output. A new design aims to push them to their limits.

NASA scientists will be teaming up with epidemiologists in the agency’s first health-focused mission. With satellite data, they’ll find out how air pollution affects health in cities around the world.

For many people, it's not always possible to curl up in a warm bed at the end of the day. The Sheltersuit Foundation has designed an innovative, super-warm jacket that becomes a bed at night - a portable shelter for people who don't have a roof over their heads.