Drones can be useful to deliver food or medical supplies to remote areas, but it is sometimes problematic to retrieve them after drop-off. APSARA could be the solution: the one-way drone is made of biodegradable material and can simply decompose after use. Read on

Tomorrow is World Toilet Day - 40 percent of the world’s population is living without access to a proper toilet! A social enterprise in Sweden has invented a biodegradable plastic bag that can be used instead of toilet. Once user have done their business, the bag breakdowns the waste into usable fertiliser. Read on