This printable crossword puzzle on the topic of Environmental Science has 11 clues. Answers range from 7 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A greenhouse gas
The most abundant greenhouse gas
Activity of man that contributes to global warming
The process of cutting down trees
The average weather conditions over a number of years.
A non-renewable energy source
Warming of the earth's crust
The release of a substance into the atmosphere
The variety and variation of living things in the earth
A decrease in the quality of air
Mixture of gases surrounding the Earth