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