Cigarette butts make roads stronger than ever before
Cigarette butts are the most littered item on the planet. People toss out an estimated 4.5 trillion cigarette butts each year, and that number may double by the end of 2025 as e-cigarette use grows. These small, toxic waste items pollute city streets, beaches and waterways. They also take years to break down.But that may be starting to change. Scientists have developed a way to recycle cigarette butts into asphalt, […]