1 Subjects: “...Space environment...”

2 Subjects: “...Offenses against the environment / Law and legislation...”

3 Subjects: “...Work environment...”

4 Subjects: “...Human beings / Effect of environment on / Egypt...”

5 Subjects: “...Global environmental change / Social aspects...”

6 Subjects: “...Offenses against the environment / Law and legislation / United States...”

7 Subjects: “...Violence / Environmental aspects / Africa...”