A crossword puzzle with a theme of pollution is displayed. The puzzle is filled with words related to pollution, such as 'DISCOVER', 'POLUTION', 'WATER', 'PLASTIC', 'OCEAN', 'RIVER', 'AIR', 'PLANTS', 'ANIMALS', 'DISEASE', 'DAMAGE', 'HARM', 'HUMAN', 'HEART', 'HEALTH', 'HABITAT', 'HARMFUL', 'HURT', 'HIDE', 'HIDE', 'HIDE', 'HIDE', 'HIDE', 'HIDE', 'HIDE