Climate Change Knowledge Assessment

The video provides an overview of climate change, highlighting the scientific consensus that human activity is the primary cause of recent global warming. It contrasts past gradual climate changes with the current rapid increase in CO2 levels and temperatures. The video discusses the impact on oceans and ice, and emphasizes the need for sustainable practices to mitigate future consequences. It concludes with a call to action for viewers to engage and contribute to the discussion.

What is the main reason for the confusion surrounding climate change?

• Lack of scientific research

• Public disinterest

• Political tensions

• Insufficient media coverage

What percentage of climate scientists agree that global warming is real and likely caused by humans?

• 100%

• 97%

• 75%

• 50%

What has historically caused changes in Earth's climate?

• Volcanic eruptions

• Meteor impacts

• Orbital patterns and CO2 buildup

• Solar flares

What is the current level of CO2 in the atmosphere as of January?

• 208 parts per million

• 350 parts per million

• 500 parts per million

• 405 parts per million

Since 1880, how much has the global surface temperature risen?

• 0.5 degrees Fahrenheit

• 3.0 degrees Fahrenheit

• 2.5 degrees Fahrenheit

• 1.7 degrees Fahrenheit

What is one consequence of increased CO2 levels in the ocean?

• Decreased salinity

• Increased ocean acidification

• Higher fish populations

• Lower water temperatures

How much has the sea level risen since 1880?

• 3 inches

• 5 inches

• 7 inches

• 10 inches

What is the annual loss of ice mass from Greenland?

• 200 gigatons

• 100 gigatons

• 281 gigatons

• 350 gigatons

What historical period is marked by a significant increase in CO2 and temperature levels?

• Triassic Period

• Jurassic Period

• Cretaceous Period

• Permian Period

What should be the focus to ensure human survival on Earth?

• Colonizing other planets

• Forging sustainable and resilient ways of living

• Developing new technologies

• Saving endangered species