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COASTAL AREAS (13) |
POLLUTION (13) |
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MARINE ENVIRONMENT (7) |
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ENVIRONMENTAL DEGRADATION (5) |
ECOSYSTEMS (4) |
OCEANS (4) |
PHILIPPINES (3) |
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COASTAL AREAS (13) |
POLLUTION (13) |
MARINE ECOSYSTEMS (7) |
MARINE ENVIRONMENT (7) |
MARINE POLLUTION (6) |
ENVIRONMENTAL DEGRADATION (5) |
ECOSYSTEMS (4) |
OCEANS (4) |
PHILIPPINES (3) |
SEWAGE (3) |