19. Which of the following is generally not a position held by those who argue against taking action to slow global warming? Global warming is occurring, but there is nothing we can do to stop it. Earth's climate often goes through cycles of rising temperatures followed by periods of cooling. The climate has not warmed for several decades. Humans are not causing global warming.

19. Which of the following is generally not a position held by those who argue against taking action to slow global warming? Global warming is occurring, but there is nothing we can do to stop it. Earth's climate often goes through cycles of rising temperatures followed by periods of cooling. The climate has not warmed for several decades. Humans are not causing global warming.