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The text notes that alternative energy is only competitive if environmental costs are ignored. Richard Hunter of the AEA states Australia is "a long way behind" being a world leader, making Q7 Geothermal/Geoenergy (Q2 & Q12): renewable energy dreams become reality ielts reading answers
Based on the typical factual content:
The accidental discovery of renewable potential (e.g., fuel cells or specific geothermal sites). renewable energy dreams become reality ielts reading answers
A key reason for the push in Vancouver was that it was being "eaten alive" by pollution . renewable energy dreams become reality ielts reading answers
How engineering innovations turned "dreams" (like offshore wind farms or concentrated solar power) into viable energy contributors.
Answer: B – High costs compared to fossil fuels.