IEEE Congress

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Across
  1. 2. Ice caps form on land. On average, worldwide they have been losing mass since at least the 1970s.
  2. 3. Unplanned burns in any natural environment, like a forest or a grassland. Wildfire can spread quickly, burning through most anything in their path, causing injury and death to people and animals.
  3. 4. Small suspended particles in a gas, scientists can detect them in the atmosphere.
  4. 6. The sea ice in this geographic spot is a good measure of global warming.
Down
  1. 1. Renewable fuels derived from biological materials, such as algae and plants, that can be regenerated.
  2. 5. A gas produced through reactions between nitrous oxides (NOX) and volatile organic compounds (VOCs) when burning coal, gasoline and other fuels. VOCs are found in solvents, paints, hairsprays and more common items.
  3. 7. Elemental building block of all organisms on Earth. Emission of this element as gas accounts for about 84 percent of total U.S. greenhouse gas emissions.