QUESTION 69 5 points ( 1 *BONUS* The scientific community concludes that global

Question

QUESTION 69 5 points ( 1 *BONUS* The scientific community concludes that global warming is happening today as a result of greenhouse gases increasing due to fossil fuel consumption. Critics of the current global warming trend will say, "First it was global cooling scare in the 1960s-1970s, and now its a global warming scare." Using the chart below, explain why the media and extreme environmentalists claimed global cooling in the 60s and 70s, but the scientific community never supported it. 6 380 360 8 340 8 E 320 300 5 280 O 58.0 57.5 57.0 56.5 1880 1900 1920 1940 1960 1980 2000 Year

Explanation / Answer

During the 1940s, the average global temperature was more than 57.5 F. But, during the 60s and 70s, the average global temperature decreased below 57.5 F. But after 1980s, there has been a steady increase in global temperature which correlates positively with increase in carbon dioxide concentration in the atmosphere. Because of this observation, some sections in media and extreme environmentalists claimed global cooling in the 60s and 70s.

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