Environment (Look on the Voc list sentence, words with more then 1 word link with like Today-I-Show)

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Across
  1. 3. Fossil fuels are a major … to global warming
  2. 4. … struggle to support agriculture
  3. 5. … can disrupt agriculture
Down
  1. 1. … are a sustainable energy resource
  2. 2. Installing… can reduce reliance on fossil fuels