The main difference between renewable and non-renewable resources is that renewable resources: othing usually have a more negative environmental impact. are available in a relatively unlimited supply, while non-renewable resources are limited. are more widely used globally. can usually be used anywhere, at any time, while non-renewable resources are only usable under certain environmental conditions in certain areas.​

Outline the ways in which you use energy, both directly and indirectly. For each of your major uses, how could you decrease your energy consumption? How would a decrease in energy consumption affect your lifestyle?

What are the apparent barriers to the widespread adoption of renewable sources of materials and energy in advanced economies (such as Canada)?

What are the roles of non-renewable and renewable resources in a sustainable economy?

Biomass, wind, and hydroelectricity are all examples of renewable sources of energy. Examine the energy-source distributions for several countries in Table 13.9 and discuss why they are not relying more on renewable sources of energy.

Make lists of the apparent benefits and risks associated with nuclear power. Focus on resource and environmental issues, such as the depletion of fossil fuels, emissions of greenhouse gases, and the long-term disposal of toxic and hazardous wastes.

Exploring Issues

A committee of the House of Commons is examining the sustainability of the Canadian economy. You are an environmental scientist, and the committee has asked you to advise them on improving the sustainability of the use of materials and energy. What would you tell them about the sustainability of present use? What improvements would you recommend

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how are we supposed to answer that

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