Land use
Energy
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BIOFUEL
BIOMASS
COAL
ISOTOPES
MAGMA
MELTDOWN
MINERAL
NATURAL
OILSAND
REMOVAL
RESOURCE
RESOURCES
| C | S | S | A | M | O | I | B | S |
| B | N | E | C | J | I | V | E | D |
| L | W | P | L | A | O | C | L | N |
| A | O | O | O | Y | R | A | A | A |
| V | D | T | C | U | R | T | Q | S |
| O | T | O | O | E | U | C | M | L |
| M | L | S | N | R | M | F | X | I |
| E | E | I | A | M | G | A | M | O |
| R | M | L | E | U | F | O | I | B |
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