What is "sustainable development"? describe two of the examples given in our text.
what does our text say about us consumption of oil relative to our percentage of the world's reserves? what is the length of time us proven reserves would last at current rates of consumption assuming no imports? (see “fuel economy and cafe standards,” p.346-347.)
how is soil formed, and why is its increasing erosion a problem globally as well as in the us?
what are the causes of deforestation in tropical rainforests and why should we care? describe one of the reasons that we should be concerned.
from the renewable energy sources listed in the text, select at least two of these "renewables," and then search the web for at least one site that interests you for each of your choices to share with the class.