Brick by brick: Pakistan’s green solution to plastic waste

More than 460 million metric tons of plastic are produced every year, and around 20 million tons end up polluting our environment. It’s in our oceans, our soil, even the air we breathe. But what if that waste could become more than just pollution? In Pakistan, Dr. Waqas Ahmed Khan is transforming discarded plastic into sustainable eco-bricks, and in the process, reshaping how communities think about waste.