It isn't quite clear what problem you are talking about.
Scientists are always trying new recipes for a stronger polymer.
what problem is caused by burning polymer waste
A scientist uses the information as a beginning for solving a problem.
The main one is whether SEX is a gud choice or not !
Nuclear energy
Scientists are trying to understand the universe in which we live, in considerable detail.
Plastics and polymers are usually designed by polymer chemists/scientists and/or material scientists. People who then use these polymers or design with them, are architects and engineers.
we are still trying to fix the problem
In the 1960s, scientists thought that water could exist as a polymer. It was called "Polywater", and became a very popular thing to talk about. Unfortunately, by 1973 scientists concluded that there was no such thing as polywater.
Scientists are often trying to find out whether certain factors changed or remained the same.
No.
applied