Step 1: Understand what bioremediation is. It is a process that uses living organisms, like bacteria and plants, to remove or neutralize contaminants from the environment.
Step 2: Identify the main goal of bioremediation. The primary aim is to clean up areas that have been polluted or contaminated.
Step 3: Recognize that the correct answer to the question is 'To clean up contaminated environments' because that summarizes the purpose of bioremediation.