1. When addressing this question, consider the historical context and the types of pollution. You can discuss how industrialization, urbanization, and population growth have contributed to increased levels of certain pollutants such as air and water pollution. 2. However, it's also important to recognize advancements in technology and regulations that have aimed to reduce pollution. Mention how in some areas, efforts to control emissions and waste have improved environmental conditions compared to the past. Provide a balanced view by acknowledging both the increase in factors causing pollution and the measures taken to mitigate it.

1. 在思考这个问题时，考虑历史背景和各种污染类型。您可以讨论工业化、城市化和人口增长如何导致了某些污染物（如空气和水污染）水平的提高。 2. 然而，也要认识到技术和法规的进步，这些都旨在减少污染。提到在某些领域，控制排放和废弃物的努力已经改善了与过去相比的环境状况。通过承认导致污染增加的因素和采取的措施来提供一个平衡的观点。