This US city put an algorithm in charge of its school bus routes and saved $5 million
Every day across the US, fleets of iconic yellow school buses carry more than 25 million children to and from school,...
22 August 2019
2019
The racial wealth gap in the US is affecting its citizens and its economy – this is how
The US has spent the past century expanding its economic power. As it has grown, so too has the wealth...
19 August 2019
Your next pair of sneakers could be made from coffee
Coffee is a big deal. While just a handful of countries dominate production, it’s consumed in vast amounts almost everywhere on...
15 July 2019
This plastic drinks bottle is made from plants
Plastic has transformed many aspects of daily life, from keeping food fresh to ensuring medical supplies stay sterile. But in...
5 July 2019
What is carbon offsetting?
A growing number of organizations, cities, and even entire countries are talking about becoming carbon neutral. And many such plans are likely...
14 June 2019
Climate change is destroying a barrier that protects the US from hurricanes
The US East Coast could soon be pounded by more intense and destructive hurricanes than ever before. The cause: greenhouse...
29 May 2019
Biblioburro: The amazing donkey libraries of Colombia
Nestled on the banks of the Magdalena River in the heart of rural Colombia, around 600km north of Bogota, lies...
3 May 2019
Deliveries on wheels: At last, an idea that makes sense
What makes a good idea a great idea? This is one of those questions that crops up fairly regularly on...
23 April 2019
Drones are saving lives in Tanzania’s remote communities
The largest inland island in Africa sits just a few kilometres from mainland Tanzania and is the centre of a...
11 April 2019
Have things started to go wrong at Amazon?
Things aren’t going brilliantly well for Amazon. It used to be so in control of every aspect of its public...
18 March 2019