Which Climate Solution Came First?

Q1. Among the earliest milestones listed for electricity-generating wind turbines, geothermal electricity, and LED technology, which came first?
- 1887, electricity-generating wind turbine
- 1904, geothermal electricity experiment
- 1906, earliest recorded observation underlying LED technology
- 1913, first commercial geothermal power plant
Answer: 1887, electricity-generating wind turbine[[cite:1]]
Q2. Which year marks Piero Ginori Conti’s geothermal experiment that powered a small generator and lit several bulbs?
- 1818
- 1887
- 1904
- 1913
Answer: 1904[[cite:2]]
Q3. Which milestone is associated with October 9, 1962?
- The first commercial geothermal power plant opened
- The first visible-light LED was demonstrated
- The first electricity-generating wind turbine was built
- The first practical infrared LED was developed
Answer: The first visible-light LED was demonstrated[[cite:3]]
Q4. Which sequence places these milestones in chronological order: the first electricity-generating wind turbine, the first documented geothermal electricity experiment, the earliest recorded observation underlying LED technology, and the first visible-light LED?
- 1887, 1904, 1906, 1962
- 1904, 1887, 1962, 1906
- 1906, 1962, 1887, 1904
- 1962, 1906, 1904, 1887
Answer: 1887, 1904, 1906, 1962[[cite:4]][[cite:5]][[cite:6]][[cite:7]]
Q5. When did Larderello become the site of the world’s first commercial geothermal power plant?
- 1818
- 1904
- 1913
- 1968
Answer: 1913[[cite:8]]

Which Climate Solution Came First?

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