Satellites can now spot plastic trash on Earth's beaches from space (photo) 

 "This is incredibly exciting, as up to now we have not had a tool for detecting plastics in coastal environments from space." 

https://cdn.mos.cms.futurecdn.net/4QQPeupfRsk5xDfkSaRtNZ.png

https://www.space.com/space-exploration/tech/satellites-can-now-spot-plastic-trash-on-earths-beaches-from-space-photo