The world’s largest plastic waste pyramid has been revealed in Egypt. Unveiled ahead of COP27 in Sharm el-Sheik, the plastic pyramid also marks the beginning of a movement called the 100YR CLEANUP, an ...

The newest Egyptian pyramid might not be the biggest one ever constructed—that honor goes to the Great Pyramid in Giza, also known as the Pyramid of Khufu—but it is the largest one made entirely from ...