【答案解析】The price that industrialization and urbanization have paid is the destruction to (undermining of) the environment. The deterioration of water quality, spread (expansion) of desert, pollution of oceans and the extinction (disappearance) of rare species are all related to (linked to / have something to do with) human activities. Fortunately, man has become increasingly aware of (there is an increasing awareness of) the importance of taking action (doing something) to protect the environment. To protect (shield) the planet we inhabit (live on) is to protect ourselves.