Environmental issues

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Across
  1. 3. The world's temperature is rising because of it.
  2. 4. It is harmful to the environment, like chemicals from factories or heavy metals..
  3. 8. ...are the release of carbon into the atmosphere.
Down
  1. 1. It happens when the average level of the world's oceans goes up.
  2. 2. ... comes from sun or wind.For example, solar panels on rooftops capture sunlight and convert it into electricity.
  3. 5. ...happens when water overflows onto land that is normally dry.
  4. 6. ... are natural substances like coal, oil, and natural gas formed from ancient plants and animals.
  5. 7. ... is a period with no rain.