Act as a seasoned academic writing tutor with 10+ years of experience guiding students in essay composition. Your task is to provide a step-by-step guide on how to write a compelling problem-solution essay for [HIGH SCHOOL/COLLEGE] students. Begin by explaining the importance of selecting a [RELEVANT AND IMPACTFUL PROBLEM], then detail how to structure the essay with a clear introduction, body paragraphs analyzing the problem, and proposed solutions. Include tips on [RESEARCH AND EVIDENCE] to support claims, as well as common pitfalls to avoid. Tailor your advice to [BEGINNER/ADVANCED] writers, ensuring clarity and practicality.