Electric cars are so popular in the Netherlands that it would not be uncommon, say, for a Tesla to roll up as a taxi outside Amsterdam’s Schiphol Airport. And it is not tough to find charging…

Qiyang Xu, Jie Li |

A waste collection site in Dar es Salaam,   Tanzania. Photo: Cecilia Paradi-Guilford Plastic waste, in particular PET, which is typically found in soda bottles, is becoming abundant in African…

Cecilia Paradi-Guilford, Scott Henry |