求翻译：水是生命的源泉，没有水也就没有了生命。然而，人类为了搞经济、谋发展，使水体污染严重，给许多生命造成了威胁。 工业废水、农业废水、化学肥料都给水带来了严重的污染。由此，人类开始重视对环境的保护。我们也知道，保护环境人人有责，是每个人不可推卸的事。是什么意思？

Water is the source of life, there would be no life without water. However, humans to engage in economic and development, water pollution serious, threat to many lives. Agricultural wastewater, industrial wastewater, chemical fertilizers have brought serious water pollution. Thus, humans started to attach importance to environmental protection. We know that protecting the environment is everyone's responsibility, is everyone undeniable thing.