What Earth Day seeks to achieve is more than simply technological protection of the environment or getting people to join in events. If people are to show an enduring concern for the environment, there must be a radical change in their thinking.
但地球日要傳達的，不只是技術上的生態保護，或共襄活動而已；要長久的對生態關懷，必須人們在理念上有所調整。