Life in the future（Period 3 Listening and Speaking）
“the theme of this year’s world environment day is a reminder that the earth with all its complex, interlocking ecosystems, is the foundation of our lives.it is our common heritage.the bounty of nature is one and indivisible.it knows no frontiers, no territorial borders, ”he said.he noted that human beings are a part of a vast web of interconnected species and systems that fit together in intricate ways, enabling the whole system to continue.“there are limits to how much our population can grow, and how much we can alter our surrounding environment, without causing changes that will reverberate throughout that web and jeopardize our own future, ”he said.he called on governments and people worldwide to join hands and take common steps to protect environment so as to pass a safe, clean world to human’s offspring.