What does 'global warming' mean? Reading

This passage explains global warming to children by comparing it to Earth having a fever. It describes how increased greenhouse gases in the atmosphere trap more heat, leading to rising global temperatures. The text outlines some consequences of global warming, including changing weather patterns and melting ice. It also mentions how these changes can affect plants, animals, and people worldwide. The passage concludes by noting that scientists are working to understand and address this global challenge.