Sustainability

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Across
  1. 4. Heating of the atmosphere resulting from the absorption by certain gases of solar energy
  2. 6. Being as much as is needed
  3. 7. The introduction of harmful substances or products into the environment
  4. 9. Operated or powered by atomic energy
  5. 10. Dependent on or scheduled by the time of high tide
Down
  1. 1. Using or operated by energy derived from the sun
  2. 2. The act of exhausting something entirely
  3. 3. Inexhaustible or replaceable by new growth
  4. 5. The capacity to endure
  5. 8. A natural resource