research into a problem in a sentence

1. Faced with a major economic loss in his home state, Volpe found a way to convert the center from a NASA unit devoted to pure research into a problem-solving agency for the Transportation Department.
2. There is indeed a need for continuing research into a problem as potentially catastrophic as climate change; but that does not justify demanding repeated scientific proof that the problem exists before being ready to take any substantial action to deal with it.
3. They don't have laws, they have traditions and norms, " said DeDeo when asked why this kind of research matters . " I think what we're doing is investing research into a problem that, 200 years from now, could be the biggest problem in the world  if we don't destroy ourselves first . " }}
4. It's difficult to find research into a problem in a sentence.