A topic sentence for a paragraph about landfills should clearly convey the main idea of that paragraph. For example, you might say: “Landfills play a crucial role in modern waste management by providing a designated space for the disposal of waste materials, but they also raise significant environmental concerns.”
This sentence introduces the main focus of the paragraph, highlighting both the importance of landfills in waste management and the potential environmental issues they cause. It's essential to keep your topic sentence clear and focused so that your readers immediately understand what the paragraph will discuss.