Why might some people initially think a warmer world is better?

• Because it would extend the growing season.

• Because it would make winters colder.

• Because it would make summers shorter.

• Because it would lead to more ice and snow.

What has been a key factor in the development of human civilization?

• The discovery of fire.

• Stable climatic conditions.

• The invention of the wheel.

• The development of language.

Why is a small increase in Earth's temperature significant?

• Because it can disrupt the stable climate humans are used to.

• Because it can increase the size of the Earth.

• Because it can lead to more stable weather patterns.

• Because it can make the Earth spin faster.

What is one direct effect of higher temperatures on human behavior?

• Decreased crime rates.

• Increased irritability and anger.

• Decreased productivity.

• Increased happiness.

How do higher temperatures affect sleep?

• They make it easier to fall asleep.

• They reduce the need for sleep.

• They have no effect on sleep.

• They make it harder to sleep, especially for the poor and elderly.

What is a potential consequence of climate change on global security?

• Increased potential for conflict.

• Decreased economic growth.

• Increased global peace.

• Decreased migration.

What was a contributing factor to the Syrian civil war?

• A rise in sea levels.

• A decrease in rainfall in Europe.

• An increase in global temperatures.

• A severe drought exacerbated by climate change.

How many people could be displaced by sea level rise this century?

• 20 million

• 200 million

• 2 million

• 2 billion

What is the estimated number of people in the US who could be displaced by sea level rise?

• 13 million

• 20 million

• 5 million

• 1 million

Why is it important to act now on climate change?

• Because the Earth will stop spinning.

• Because the faster we cut emissions, the better off we'll be.

• Because it will make winters colder.

• Because it will increase the size of the Earth.