Environmental issues
Environmental issues
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CLIMATE
CONSERVATION
DEPLETION
ECOSYSTEMS
ENERGY
EXPLOIT
OZONE
POLLUTION
RENEWABLE
RESOURCES
WASTE
| C | P | U | N | E | L | B | A | W | E | N | E | R |
| L | O | Z | O | N | E | N | L | S | R | E | I | X |
| I | L | N | T | C | O | C | P | I | U | H | S | D |
| M | L | Y | S | T | I | O | L | P | X | E | T | E |
| A | U | I | Y | E | Y | N | B | S | C | S | C | P |
| T | T | I | E | F | R | U | H | R | Z | O | M | L |
| E | I | T | T | L | Q | V | U | U | S | H | B | E |
| N | O | C | S | B | I | O | A | Y | U | L | V | T |
| E | N | R | A | L | S | K | S | T | U | E | G | I |
| R | M | X | W | E | Y | T | S | A | I | O | T | O |
| G | U | B | R | S | E | O | B | A | W | O | B | N |
| Y | F | F | S | M | Z | K | P | J | T | Z | N | V |
| W | D | D | S | N | P | C | S | E | A | F | P | B |
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