Read about Africa's two greatest environmental concerns: desertification and the spread of disease. Choose one of these concerns and write a short paragraph about its impact on Africa. What has caused this problem to occur, and how has it impacted people who live there?

Read the article titled "greening the globe." according to the section titled “the contention,” the debate over climate change has two basic camps of thought. identify these two camps and their beliefs. give examples of who supports each one and explain what evidence they use to support their arguments. based on these arguments, which way of thinking do you agree with and why?