Here are the states ranked by carbon dioxide emissions per capita with No. 1 being the highest pollution per person. In parentheses are per-capita carbon dioxide emissions in metric tons. One metric ton is 2,204.6 pounds. The national average is 20 metric tons.

1. Wyoming (125)

2. North Dakota (80)

3. Alaska (69)

4. West Virginia (63)

5. Louisiana (40)

6. Indiana (38)

7. Montana (36)

8. Kentucky (35)

9. New Mexico (31)

10. Texas (30)

11. Alabama (30)

12. Oklahoma (29)

13. Kansas (29)

14. Iowa (27)

15. Utah (26)

16. Nebraska (25)

17. Missouri (24)

18. Ohio (23)

19. Arkansas (23)

20. Pennsylvania (22)

21. Mississippi (22)

22. Delaware (21)

23. Tennessee (21)

24. Minnesota (20)

25. Colorado (20)

26. Nevada (19)

27. Georgia (19)

28. Wisconsin (19)

29. South Carolina (19)

30. Michigan (18)

31. Illinois (18)

32. South Dakota (18)

33. Maine (18)

34. North Carolina (17)

35. Hawaii (17)

36. Virginia (17)

37. New Hampshire (16)

38. Arizona (16)

39. Florida (14)

40. New Jersey (14)

41. Maryland (14)

42. Massachusetts (14)

43. Washington (13)

44. Connecticut (12)

45. Oregon (11)

46. New York (11)

47. California (11)

48. Rhode Island (11)

49. Vermont (11)

50. Idaho (10)

Source: U.S. Department of Energy, 2003 figures.