- What is sustainability?
- What is the carrying capacity of earth?
- Can the current energy consumption profile last?
- If the current enrgy profile of the world is sustained what impact will it have on the environment?
- What is the greenhouse effect?
- What are greenhouse gases?
- What are the sources of greenhouse gases?
- What is the Global warming potential (GWP)?
- Where are greenhouse gasses coming from? (What gases are involved and what is their contribution to the greenhouse effect?, What fuels contribute and how much?, What countries contribute and how much?, What sectors of economy contribute and how much?)
- Is human activity, particularly the use of fossil fuels causing irreversible changes in the earth's climate?
- What is the scientific basis for AGW (anthropogenic global warming)?
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