How We Know What We Know about Climate Change

Instructions:

1. 1. Watch the video all the way through once before beginning the questions.

2. 2. Read the questions.

3. 3. Replay the video.

4. 4. Hit pause when you hear the answers.

Question 1: Summarize what Jim Hansen said to the Senate in 1988.

When does GISSTemp data exist?

• 1880-today

• 1920-1980

• 1880-1980

• 1920-today

Select all that apply: Where are NASA's GISSTemp measurements taken?

• weather stations

• Antarctic research stations

• ships & ocean buoys

• mountain tops

GISSTemp takes how many measurements on how many stations?

• millions; tens of thousands

• 64; 33

• hundreds; 10

• 3; space

Select all that apply: How is data validated (checked, proven trustworthy) around the world?

• teamwork data

• space data

• AI data

• Google data

What was the Industrial Revolution?

• a period of profound technological and economic change, primarily from the 18th to 19th centuries, that transformed societies from agrarian to industrialized

• It was a music festival held every year in ancient Greece.

• a diplomatic agreement in the late 1700s where European monarchs agreed to build massive wind-powered cities

• a political uprising in the early 1600s where factory workers overthrew their rulers and replaced all forms of government

Pause the video when you hear or know the answer: What is responsible for the majority of climate change?

How long have we known that carbon dioxide in our atmosphere traps additional heat and is a major contributor to the greenhouse effect?

• since the 1980's

• since 1930

• for over a century

  (over a 100 years)

• somehow, we always knew

True or False: We can track CO₂ in our atmosphere from space and from the ground.

• True

• False

How did we come up with thousands of ideas on how climate change could happen naturally (without us)?