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| 6282691474 | Nitrogen Dioxide | Created during fuel burning, forest fires, volcanoes, lightening, and bacterial action; contributes to acid depositions; results in lung irritation and suppressed plant growth | 0 | |
| 6282691475 | Criteria Air Pollutants | Created in big industries and agriculture during fossil fuel combustion; causes smog and acid rain; ex: ozone, particular matter, carbon monoxide, lead | 1 | |
| 6282691476 | Ozone | Key component of photochemical smog; formed by sunlight reacting with nitrogen oxides; causes lung irritation, coughing, wheezing, plant damage | 2 | |
| 6282691477 | Peroxyacyl Nitrates (PANs) | Secondary air pollutants formed when hydrocarbons combine with oxygen, nitrogen dioxide, and sunlight; decompose slowly enough to have time to transport; causes eye irritation and vegetation damage | 3 | |
| 6282691478 | Sulfur Dioxide | Produced during burning of production of oil, goal, smelting, and paper; causes acid rain, plant decline, and difficulties breathing | 4 | |
| 6282691479 | Suspended Particulate Matter (PM10) | Small, including smoke, dust, and soot; causes lung irritation and would produce the most health benefits if reduces (compared to other air pollutants) | 5 | |
| 6282691480 | Volatile Organic Compounds (VOCs) | Compounds with high vapor pressure ie acetone; found in paints, aerosols; causes liver, kidney, and nervous system damage | 6 | |
| 6282691481 | Case Study: China Smog | Coal burning was a key source of air pollution and caused heart and lung disease; China's policy shifted from coal to natural gas and renewables, set up financial incentives to favor clean energy, and placed tougher controls on emissionse | 7 | |
| 6282691482 | Industrial Smog | Sulfur based; grey-air smog | 8 | |
| 6282691483 | Photochemical Smog | Nitrogen based; catalyzed by UV rays; brown-air smog | 9 | |
| 6282691484 | Case Study: Great Smog of '52 | Airborne pollutants collected as smog over London in 1952, causing over 12,000 deaths | 10 | |
| 6282691485 | Steps of Forming Industrial Smog | 1. Carbon in coal is burned to form carbon monoxide and carbon dioxide 2. Unburned carbon becomes soot or particulate matter 3. Formation of sulfur dioxide and sulfur trioxide 4. Sulfur trioxide reacts with water vapor to form sulfuric acid 5. Sulfuric Acid reacts with ammonia to form solid ammonium sulfate | 11 | |
| 6282691486 | Steps of Forming Photochemical Smog NO+VOCs+O2+uv radiation=O3+PANs | 1. Cars increase nitrogen oxides and VOCs, which form nitrogen dioxide 2. Nitrogen dioxide a) breaks down into ozone b) reacts with water vapor to produce nitric acid and nitric oxide c) reacts with VOCs to product PANs | 12 | |
| 6282691487 | Case Study: Donora, PA (1948) | Severe air pollution from zinc and steel smelting plants settled and sickened many; marked the beginning of modern efforts to cope with air pollution | 13 | |
| 6282691488 | Air Pollution Control Act (1955) | Announced research and made the nation more aware of the environmental hazard | 14 | |
| 6282691489 | Clean Air Act (1963) | Controlled air pollution on a state and federal level by: enforcing regulations on stationary and mobil air pollution, addressed acid rain/ozone depletion/toxic air pollution, making new gasoline formulas, and allowed for citizen suits | 15 | |
| 6282691490 | National Environmental Policy Act (1970) | Created the Environmental Protection Agency and Environmental Impact Statments | 16 | |
| 6282691491 | Montreal Protocol (1989) | Agreement among nations to phaseout ozone-damaging chemicals | 17 | |
| 6282691492 | Pollution Prevention Act (1990) | Required industries to reduce pollution | 18 | |
| 6282691493 | Kyoto Protocol | An agreement among 150 nations to reduce greenhouse gases but not signed by the US because of uneven developing v developed nation standards | 19 | |
| 6282691494 | Noise Control Act (1972) | Coordinated federal research in noise control through noise emission standards and public information | 20 | |
| 6282691495 | Case Study: Gulf of Mexico Dead Zone | Connecticut-sized dead zone off the coast of Louisiana and Texas that forms every summer due to excess nutrients from the Mississippi and water stratification that prevents mixing of the oxygen-rich water | 21 | |
| 6282691496 | Case Study: Minamata Disease | Mercury compounds were dumped into Minamata Bay in Japan, which collected in fish and caused blurred vision, hearing loss, loss of muscular coordination, and reproductive disorders | 22 | |
| 6282691497 | Case Study: Exxon Valdez | This oil tanker spilled crude oil into Prince William Sound, Alaska, killing birds, otters, seals, eagles, whales, salmon, herring, and plankton | 23 | |
| 6282691498 | Case Study: Gulf of Mexico Oil Spill | Explosion on the Deepwater Horizon drilling rig cost billions in damage to Gulf of Mexico's tourism, industries, and wildlife habitats | 24 | |
| 6282691499 | Safe Drinking Water Act (1974) | Standards for safe drinking water in the US | 25 | |
| 6282691500 | Ocean Dumping Ban Act (1988) | Made it unlawful to dump or transport sewage, sludge, or industrial waste into the ocean | 26 | |
| 6282691501 | Oil Spill Prevention and Liability Act (1990) | Strengthen EPA's ability to prevent and respond to oil spills | 27 | |
| 6282691502 | Clean Water Act (1972) | Gave the EPA authority to control pollution programs, made it unlawful to discharge pollutants from a point source, funded sewage treatment plants, and recognized the threat of non-point source pollution | 28 | |
| 6282691503 | Leaching | Loss or extraction of minerals from into a liquid | 29 | |
| 6282691504 | Resource Conservation and Recovery Act (1976) | Encouraged states to manage solid waste; set criteria for landfills; prohibited dumping of solids | 30 | |
| 6282691505 | Toxic Substances Control act (1976) | Gave the EPA authority to tract industrial chemicals and ban the manufacture of harmful ones | 31 | |
| 6282691506 | Comprehensive Environmental Response, Compensation, and Liability Act (1980) | Authorized the federal government to respond to the release of hazardous substances, established liability for corporations of hazardous waste sites, and created a trust fund for cleanup | 32 | |
| 6282691507 | Nuclear Waste Policy Act (1982) | Provided locations for disposal of radioactive waste and required operators of nuclear power plants to pay the cost of disposal | 33 | |
| 6282691508 | Case Study: China Farmland | More than 20% of Chinese farmland was found to be contaminated with cadmium, nickel, arsenic, pesticides and fertilizer, especially near the highly populated and food producing river deltas | 34 |
