Across
- 2. Synthetic liquid or powder added to crop soils that releases Nitrous Oxide when broken down by soil microbes. (10 letters)4. Gas released by cattle digestion, flooded rice fields, and decomposing garbage in landfills. (7 letters)6. Industrial process of heating limestone to make building material, releasing pure CO2 as a byproduct. (6 letters)7. The process of burning fossil fuels in internal combustion engines to power cars, trucks, and planes. (14 letters)8. Man-made chemical compounds (HFCs) used in air conditioning and refrigerators that act as super-pollutants. (11 letters)
Down
- 1. Clearing or burning down large forest areas, which releases stored carbon back into the air as CO2. (13 letters)3. Underground places where buried organic trash decomposes without oxygen to produce methane. (9 letters)5. Thermal power plants burn coal or natural gas to produce this essential daily utility. (11 letters)