Decades of conservation efforts have culminated in the giant panda's upgrade last year from endangered to vulnerable. But panda habitat is smaller and more fragmented than it was when the animal was first added to the Endangered Species List.
The U.S. has gotten better at saving people with heart disease, cancer, and strokes, but early drug overdose, Alziehmer's, and suicide deaths are increasing.
Laws prohibiting domestic abusers from possessing firearms are ineffective at reducing the rate of domestic-abuse-related homicides. Strong enforcement mechanisms are essential.