Analyzing Controlling Ideas in Informational Text

“Read the following paragraph: "The Amazon rainforest is home to an incredible diversity of wildlife. Many species found there are unique to this ecosystem and cannot be found anywhere else in the world. The destruction of the rainforest threatens these species and the overall health of our planet." What is the controlling idea of this paragraph? Explain how you determined it. Analyze the following sentence: "Renewable energy sources, such as solar and wind power, are essential for reducing our dependence on fossil fuels and combating climate change." What is the main message of this sentence? Describe the clues that helped you identify the controlling idea.”