LITTERING

Britain:

highways: g78 12/22 30

causes: g74 11/22 31

cost: g71 6/8 20; g69 7/22 31

discussion: g70 7/8 3-4; g66 11/8 8-11

Japan:

by mountain climbers: g79 3/22 31; g79 8/22 19

reducing litter of soft-drink cans: g85 9/22 29

moon: g73 2/8 31

problem: g71 4/22 21