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| 683296235 | Troposhere | Lowest layer of the atmosphere Has most of the earth's air | 0 | |
| 683296236 | Stratosphere | Second layer of atmosphere Has ozone layer | 1 | |
| 683296237 | Ozone layer | In stratosphere Is like earth's sunscreen Keeps 95% of sun's harmful radiation from reaching earth | 2 | |
| 683296238 | Weather | Day to day Smaller area | 3 | |
| 683296239 | Climate | Long term Over large area | 4 | |
| 683296240 | Al Gore | Ran for US president against Bush Well known speaker about global warming | 5 | |
| 683296241 | Global warming cause | Thick blanket of CO2 around earth which keeps hot air in Comes from cars, factories, ploughed fields | 6 | |
| 683296242 | Polar icecap size | North Pole In 1980 Now 1/4 the size | 7 | |
| 683296243 | Acid rain | Chemicals mixed together in the air Falls as rain which is acidic | 8 | |
| 683296244 | Indoor air pollutants | Cigarette smoke, pollen dust mites,aerosol spray,air fresheners, dry cleaning fluid fumes on clothes,chemical from furniture stuffing,and carpets | 9 | |
| 683296245 | Clean Air Act | To minimize air pollution Was supposed to be reviewed in 2006 - not done yet | 10 | |
| 683296246 | Correlation between CO2 and temperature | As co2 levels go up, temperature goes up | 11 | |
| 683296247 | Climate tipping point | Point at which the earths climate can no longer recover- high levels of co2, oceans becoming acidic, inability of oceans to absorb co2,destruction of Amazon forest,, methane gas from thawing Artic permafrost | 12 | |
| 683296248 | Lester Brown | Climate change researcher Wrote WHO WILL FEED CHINA says China will run out of food which will affect North America | 13 | |
| 683296249 | Personal reasons for not reducing environmental footprint | Procrastination, unaware of environmental issues, comfort, money, not wanting to change lifestyle, convenience | 14 | |
| 683296250 | Possible motivators to reduce ecological footprint | Increase fuel prices Government rebates Laws | 15 | |
| 683296251 | LEED | Leadership in Energy and Environmental Design Rating system for buildings Point system - certified, silver, gold ,platinum | 16 | |
| 683296252 | LEED Topics | Site development, water efficiency, material selection, indoor environmental quality, innovative design, regional priority | 17 | |
| 683296253 | Renewable Energy | Energy which is replenished in a few days to a few thousand years - fairly quickly Solar, hydro, biomass, wind, geothermal, hydrogen | 18 | |
| 683296254 | Non-renewable Energy | Will run out eventually Oil, natural gas, coal, nuclear energy | 19 | |
| 683296255 | Energy yield | Energy yield = the amount of energy produced - the amount of energy it takes to produce an energy source | 20 | |
| 683296256 | Advantages of Oil energy | Lots available at the moment High net energy yield Low cost | 21 | |
| 683296257 | Advantages of natural gas | More plentiful than oil High energy yield Low cost Lowest effect on environment | 22 | |
| 683296258 | Disadvantage of energy from oil | Causes air water pollution | 23 | |
| 683296259 | Advantage of coal energy | Lots of it High energy yield Low cost | 24 | |
| 683296260 | Advantages of nuclear energy | Low environmental impact | 25 | |
| 683296261 | Disadvantage of nuclear energy | High cost Long lasting environmental waste | 26 | |
| 683296262 | Disadvantage of natural gas | Non-renewable | 27 | |
| 683296263 | Advantages of solar energy | Can be used to hot water and indoor spaces Net energy is moderate to high Moderate cost Low impact on environment Renewable | 28 | |
| 683296264 | Disadvantage of solar energy | Need sunshine 60% of the time Need backup system | 29 | |
| 683296265 | Advantage of hydropower | Can use water flowing in rivers, over dams and ocean waves Renewable, low cost Moderate to high energy yield Low environmental impact | 30 | |
| 683296266 | Disadvantage of hydropower | Limited suitable sites | 31 | |
| 683296267 | Solar energy | Uses sun and solar panels | 32 | |
| 683296268 | Hydropower | Uses water - flowing rivers, dams, ocean waves | 33 | |
| 683296269 | Advantages of Biomass | Lots of it in some areas Plantations can help restore degraded lands Moderate cost | 34 | |
| 683296270 | Disadvantages of biomass energy | Degrades soil and biodiversity Moderate to high impact on environment | 35 | |
| 683296271 | Disadvantages of biomass energy | Degrades soil and biodiversity Moderate to high impact on the environment | 36 | |
| 683296272 | Advantages Wind Power | Renewable and easy to find High net energy yield Low cost Easy to build and expand Little or no air pollution | 37 | |
| 683296273 | Disadvantages of wind power | People came in causes health issues such as headaches People complain about the humming noise | 38 | |
| 683296274 | Advantages of Geothermal energy | Renewable Moderate net energy yield Lower CO2 Low cost | 39 | |
| 683296275 | Disadvantages of geothermal energy | Not many suitable sites Noises and some CO2 emissions | 40 | |
| 683296276 | Advantages of hydrogen gas | Can be produced from plentiful water at some sites No direct emissions if produced from water High efficiency | 41 | |
| 683296277 | Disadvantage of hydrogen gas | Negative net energy yield High costs Need water storage and distribution system | 42 | |
| 683296278 | SAM experiment | Island near Denmark Put up wind turbines Now 100% renewable energy | 43 | |
| 683296279 | Tom Rand and Planet Traveller Hotel | In Toronto Cut carbon emissions by 75% Uses solar power, geothermal power | 44 |
