If it was a concrete problem with a concrete end goal it could be solved with that good 'ol problem-solving ethos. But the desirable end goal isn't at all clea

If it was a concrete problem with a concrete end goal it could be solved with that good 'ol problem-solving ethos. But the desirable end goal isn't at all clear. For example it's possible recycling many classes of materials should simply be abandoned all together, so we can instead focus on the source.