Climate change made US and Mexico heatwave 35 times more likely

Human-induced climate change has made the recent heatwave in the US southwest, Mexico, and Central America around 35 times more likely.

• True

• False

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CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

The World Weather Attribution (WWA) group found that the recent heatwave was only twice as likely due to climate change.

• True

• False

The study mentioned focused solely on the US southwest and did not include Mexico.

• True

• False

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CCSS.RI. 9-10.2

CCSS.RI.11-12.2

CCSS.RL.11-12.2

CCSS.RL.9-10.2

CCSS.RL.8.2

1. According to the report, such a heatwave is now four times more likely than it was in the year 2000.

• True

• False

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CCSS.RI.11-12.10

CCSS.RI.6.10

CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RI.9-10.10

1. The additional heat caused by climate change in the hottest five-day stretch in June was about 1.4°C warmer

• True

• False

6. What did the WWA study attribute the increased likelihood of the recent heatwave to?

• Solar cycles

• Natural climate variability

• Planet-warming emissions

• Volcanic activity

Which areas were included in the WWA study on the heatwave?

• US southwest, Mexico, and Central America

• US southwest, Mexico, and Canada

• US midwest, Mexico, and Central America

• US northeast, Mexico, and Central America

What severe threat to health was highlighted by the scientists in relation to high night-time temperatures?

• Increased risk of wildfires

• Rising sea levels

• Damage to crops

• Body not having time to rest and recover

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CCSS.RI. 9-10.2

CCSS.RI.11-12.2

CCSS.RL.11-12.2

CCSS.RL.9-10.2

CCSS.RI.8.2

6. According to Mexican officials, what were some of the impacts of the heatwave?

• Flooding and landslides

• Deaths of scores of people and howler monkeys

• Severe drought and water shortages

• Increased hurricane activity

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CCSS.RI.11-12.10

CCSS.RI.6.10

CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RI.9-10.10

6. What did the scientists from WWA use to compare and determine the role of climate change in the heatwave?

• Satellite imagery

• Historical weather records

• Climate models of a world without human-induced warming

• Data from weather stations