Hume's Is-Ought Problem: Why "The Science Says" Doesn't Tell You What to Do

yeah and for almost 300 years people have been answering Hume by saying, well, that's great David, but learning what "is" puts the meat on the bone of all of your logical frameworks.

the existence (that is, the "is") of global warming imposes moral ("ought") on people who use carbon, for example.