Bill Nye - Climate Change

Why does the sea level rise?

• Low tides are becoming less frequent.

• The water in the ocean is expanding due to global warming.

• There is higher global rainfall due to climate change.

• Tsunami's are becoming more frequent.

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As the climate changes, what will happen to various crops around the world?

• Crops will be harvested at the same levels as they are right now, regardless of climate change.

• Warming temperatures will lead to longer growing seasons for most crops.

• The sea level will be so high that flooding will wash away most crops.

• Supplies of crops will diminish as the climates in which they are grown become too harsh.

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What is the greenhouse effect?

• Gases in the Earth's atmosphere allow sunlight to enter but prevent some of the heat energy from leaving the Earth.

• Gases prevent any energy from entering or leaving the Earth.

• The force of gravity keeps the heat energy close to the Earth's surface.

• The ozone hole in the atmosphere becomes so large, more heat energy enters the Earth

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How is the city of Venice, Italy trying to stop the effects of climate change?

• Solar panels and wind turbines are being erected for the city's energy supply.

• Water is being pumped out of the city to prevent the rising sea level from damaging more property.

• Gates are being built to combat the rising sea level from damaging property in the city

• The city government has placed a ban on fossil fuel use.

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What has the United States' role been in addressing the climate change crisis?

• The US has not taken a strong stance on the climate change issue.

• The US is a leader developing and promoting renewable energy technology.

• The US is a leader in developing long-term strategies for adapting to the effects of climate change.

• The US is a leader in reductions of fossil fuel use and conservation of energy.

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What is a barrier that is preventing developed nations from transitioning to renewable energy?

• Lack of a strong economy to make the investment

• Lack of efficient renewable energy technology

• Lack of political will

• Lack of scientific knowledge of climate change

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What role does nuclear energy play in the climate change crisis?

• Nuclear energy can act as a supplement to renewable energy in order to reduce the amount of fossil fuels being used.

• Nuclear energy can entirely replace the fossil fuel industry to meet the Earth's energy needs.

• Nuclear energy is one of the causes of climate change.

• Nuclear power plants provide a sense of hope and optimism to the public.

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How does ocean acidification work?

• As the sea level rises, more acidic chemicals from land seeps into the ocean.

• Solid methane hydrates from the ocean floor are released into the ocean as methane gas.

• Water molecules become more acidic when they are heated.

• CO2 from the atmosphere is dissolved in the ocean, chemically forming carbonic acid.

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Bill Nye emphasized the fact that the rate of change of the global temperature is more important than the fact that Earth is just getting warmer. Why?

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To prevent the most devastating effects of climate change, society must transition to 85% renewable energy by 2030 and 100% by 2050. Is this a realistic goal? What are the consequences if these goals are not met?

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