how about......
WHATS THIS?
DYNAMITE FISHING
WHATS THIS?
DEFORESTATION
WHATS THIS?
SPRAYING PESTICIDES
WHY NOT....
WHATS THIS?
light pollution
whats this?
GARBAGE DUMP/ land pollution
WHATS THIS?
WATER POLLUTION
WHATS THIS?
AIR POLLUTION
i think you should....
it would be better if you....
IT WOULD BE BETTER IF....
WHATS THIS?
noise pollution