1. what it meant by sustainability regarding the world’s natural resources 2. what did you learn about the world’s use of water? 3. what is the difference between renewable and nonrenewable energy sources?   provide some examples of each in your life. 4. define what global warming means and discuss some of the implications this means for the earth and for its inhabitants. 5. describe what you learned about your individual energy use and how it compares to those of developing nations.

1. Sustainability is a broad discipline, giving students and graduates insights into most aspects of the human world from business to technology to environment and the social sciences.

2.When we use too much fertilizer or pesticide on lawns, gardens or fields, some of it can end up being washing into rivers and lakes which can lead to a drought.

3.Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies.Renewable resources are replenished naturally and over relatively short periods of time.The five major renewable energy resources are solar, wind, water biomass, and geothermal.

5.Sustainable energy policies are more likely to succeed if they also contribute toward other societal and economic development objectives.

4.The IPCC predicts that increases in global mean temperature of less than 1.8 to 5.4 degrees Fahrenheit (1 to 3 degrees Celsius) above 1990 levels will produce beneficial impacts in some regions and harmful ones in others. 

permafrost layer, it exists beneath a layer of soil, rock or sediment.