Warm up: Alternative Energy

How long are current oil and gas reserves estimated to last at the current rate of consumption?

• 10 years

• 25 years

• 50 years

• 100 years

What percentage of global energy needs is currently met by renewable energy sources?

• 5%

• 13%

• 25%

• 50%

What is a major challenge in utilizing solar energy efficiently for densely populated regions?

• Solar panels are too expensive to produce.

• Solar plants require vast amounts of water.

• Areas with abundant sunshine are often far from high-demand regions.

• Solar energy cannot be converted into electricity effectively.

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What is the primary challenge with current lithium-ion batteries for powering large-scale transportation like jets?

• They are too expensive to manufacture.

• They are too heavy for the amount of energy they store.

• They require extremely low temperatures to operate.

• They cannot be recharged quickly enough.