Look up: Pops

1. POPs
   are Persistent Organic Pollutants such as PCBs, DDT, Dieldrin and Dioxins. The text of a Protocol has been agreed under the UNECE Convention on Long Range Transboundary Air Pollution to control POPs emissions using process and product controls
   Found on http://www.epaw.co.uk/EPT/glossary.html
   
   
2. POPs
   Persistent organic pollutants, a group of PTBs which are capable of long-range transport and deposition; they are believed to be transported primarily in the atmosphere. These have global effects. Most are already banned in Western Europe but some are still in use in developing countries. The POPs i...
   Found on http://www.eurochlor.org/mainglossary
   
   
3. Pops
   (Muppet) `Pops` is an elderly doorkeeper at the Muppet Theater. He would greet the week`s guest star in every episode of Season 5 of The Muppet Show. He also had a major part as the innkeeper of the Happiness Hotel in The Great Muppet Caper. Since then, he has only made a couple of cameo appe...
   Found on http://en.wikipedia.org/wiki/Pops