The Heat is On

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Across
  1. 3. unlikely to run out, capable of being replaced or restored as quickly as it is used
  2. 5. the introduction of harmful substances to a natural environment
  3. 6. a substance other than the primary substance that is left over as the result of an industrial or biological process
  4. 8. a framework of foundational services, facilities, or systems that sustain a society or organization
  5. 9. the action of clearing forest areas for uses like farming, urbanization, and mining
  6. 11. water contaminated by human use
Down
  1. 1. an amount of a polluting substance that is produced and released into the air
  2. 2. the natural environment for a plant or animal to live and grow
  3. 4. dioxide a gas found in the Earth's atmosphere, its molecules have one carbon atom and two oxygen atoms—it is a waste product of respiration in living things and also acts as a greenhouse gas, trapping energy from the Sun in the Earth's atmosphere
  4. 7. a usable stock or supply
  5. 10. fuel fuel (such as coal, oil, or natural gas) formed in the Earth from plant or animal remains