Today's Crossword

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Across
  1. 2. The earth becoming warmer (Two words with a space)
  2. 3. A type of street
  3. 4. Readers love this
  4. 7. We breathe this out, but too much can be bad (Two words with a space)
  5. 10. Young humans
  6. 12. Santa Claus has one of these
Down
  1. 1. Natural satellite
  2. 2. Potentially dangerous gases that trap heat in earth's atmosphere (Two Words and a space)
  3. 3. A mixture of gases that we breathe in
  4. 5. We breathe this in
  5. 6. Excess gases that can cause bad things to happen
  6. 8. Man of steel
  7. 9. A magical winged creature
  8. 11. On your feet