A Mexican entrepreneur is turning discarded plastic into affordable, sustainable homes that cost under $300. Each house uses around 2 tonnes of plastic waste and can be built in just seven days, offering a creative way to tackle both plastic pollution and the shortage of low-cost housing. The unusual project has already grown to hundreds of rooms and homes in Mexico.

Plastic production has increased exponentially over the last few decades. A 2017 study published in Science Advances estimated that 8.3 billion tons of plastic have been produced…

Workers at a recycling plant in central Mexico are turning five and a half tonnes of discarded plastic bottles and old toys every day into strong building materials, helping…