____Carbon and Climate Change In-Class Activity

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University of North Texas *

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1710

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Geography

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Oct 30, 2023

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docx

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Date : 26 March 2023 Name: Christian D Anderson Carbon and Climate Change In-Class Activity Step 1: Read Carbon in the Atmosphere PDF (On Canvas) Question 1 : Compare the Carbon Cycle before and after the Industrial Revolution. Name 3 ways they are different. 1. Between 50 and 70 percent of the carbon dioxide that people add to the atmosphere is currently absorbed by the seas and land plants in carbon "sinks," 2. The ability of microorganisms to produce carbonate shells will decline as ocean acidification increases. 3. The seas' rising temperatures will cause a decrease in CO2 solubility. So, the "discount" we currently receive from these sinks will end in the future. Question 2 : How long do CFCs stay in the atmosphere? Chlorofluorocarbons (CFC) may remain in the atmosphere for a decade to a century long. Step 2: Read Climate Change: Where we are in 7 charts and what you can do to help. https://www.bbc.com/news/science-environment-46384067? fbclid=IwAR0WiX85NrtM0hmKpxEZRoW1_Bb4ZhyHyBGsnauAbqCS-8i4GX7F8uVq8vQ\ (If it asks you to register, click the X to close the popup window) Question 1 : Which 3 crops were named in the article as being in danger/will we have difficulty raising? 1. Rice, 2. Maize 3. Wheat Question 2 : Navigate to your region of choice on the map. Where is the largest cluster of record-breaking heat located on June 25, 2019? (I included a screenshot of the heat timeline below for reference on where to obtain the data) Answer: I was not able to see any of the information.

Question 3 : Who is the world’s top 2 CO 2 emitters and how many megatons per year do they emit? #1 China 11,256 #2 United States 5,275 Question 4 : Which continent faces the worst climate risks? Answer: Africa Question 5 : What is the Arctic Sea Ice minimum extent in 2000 and 2019 per million square km? (The image and information flashes quickly, so it may take a few viewings to capture the data.) Year 2000 6.3 million square km Year 2019 4.2 million square km Question 6 : Name 5 ways the IPCC says we can do to help reduce climate change. 1 . Buy less meat, milk, cheese and butter 2. Eat more locally sourced seasonal food - and throw less of it away 3. Drive electric cars but walk or cycle short distances 4. Take trains and buses instead of planes 5. Use videoconferencing instead of business travel

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