This is an “alarming scenario” for global food security, researchers are warning as they describe their findings about microplastics hindering plant growth. Subscribe to The Guardian on YouTube ► http://bit.ly/subscribegdn The study, published in the journal Proceedings of the National Academy of Sciences earlier this month, combined more than 3,000 observations of the impact of microplastics on plants, taken from 157 studies. They found that the world’s staple crops – such as wheat, maize and