Jackass The Game The Air Pollution Game Rules • Completed as groups per lab table • Flipping the cups from blue to red is “hitting the buzzer” to take a guess • There will be FIVE clues that are provided to guess the key term or air pollutant • You get only one guess • The clues become more obvious as you move down the list • Trick- if all other groups guessed, wait until the end to get all clues Methane • Accounts for 14% of our greenhouse gas output • Increased by 400% in the last 200 years • Produced from decomposition of waste, rice patties but mostly by the cattle industry • The greenhouse gas that absorbs 23 times more heat the CO2 worsening Global Warming Industrial/Sulfurous Smog • • • • Produced mainly from burning coal China and Hong Kong have some the worst Appears blackish-gray The toxic smog that is mixture of smoke and fog produced from burning coal (mostly in factories) Carbon Dioxide • • • • Annual emissions have grown by 80% in 34 years Deforestation is causing this to increase dramatically Is a greenhouse gas Given off from burning of fossil fuels Sulfur Dioxide • • • • United States leads the world in emissions, China is 2nd Emissions have decreased by 50% since the 1970’s Released from coal burning power plants Causes acid rain Wet Scrubber • Uses steam to catch air particulates • Changes sulfuric acid to solid sulfite which can be dumped in a landfill • Created in 1970’s • A device added to smokestacks of factories to dramatically reduce toxic emissions Particulate Matter • Highest levels are Mexico, China, India and US • Contributes to more than 60,000 deaths a year (respiratory problems) • Risk of mortality from this increases 15-25% if you live in a city (especially in poorer or developing nations) • Is made up of microscopic particles from burning fossil fuels like soot, smoke, and heavy metals Arctic Haze • Mostly made-up of carbon soot, organic compounds and heavy metals • Caused by emissions from the US, China and Russia • The pollution was carried over 6,215 miles north by global winds • The dark gray haze of industrial pollutants that hovers five miles over the Arctic (North Pole) Nitrous Oxide • • • • Causes irritation to eye, nose, throat and lungs Yellowish-brown to reddish brown gas Contributes to acid rain Given off mainly from car exhaust Acid Rain • • • • Decreases algae and impacts all food webs Causes tree leaves and needles to be stripped of nutrients and die Caused mostly by sulfur dioxide and nitrous oxide Is precipitation with a pH lower than 5 (4.2 in NJ) VOC’s Volatile Organic Compounds • • • • Can contribute to smog Nearly half of all these are released in the US These evaporate in the air and exist a gases in the atmosphere Is found in products such as air fresheners, cleaning products, cosmetics, varnishes, fabrics and paints Photochemical fog • • • • Appears brownish Is created by car exhaust and a chemical reaction with sunlight Common in LA (due to many cars and a lot of sunlight An unhealthy, ground-hugging mixture of car exhaust and fog Catalytic Converter • • • • Made with platinum and rhodium Convert nitrous oxides to nitrogen Removes sulfur gas A device added to cars in the 1970’s that dramatically reduces car emissions Chlorofluorocarbons (CFC’s) • Nontoxic and nonflammable • Are banded in many parts of the world due to the signed documentation of the Montreal Protocol • Have a life span of 50-200+ years • Toxic chemicals that are given off by aerosols and refrigerants that break down our ozone layer
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