我们人类居住的地球已经走过46亿年漫长的历史过程。地球上沧海桑田,生物界新陈代谢,经历无数磨难,才到达今天人类智慧可以预见未来和设法逃避灾难的境界。随着地球自身变化和人类活动加剧,未来不可避免的重大灾难包括外星球撞击、地震突袭、火山爆发、气候巨变、瘟疫流行、生物多样性锐减,以及越来越多的生物物种灭绝或濒临灭绝。所有这些灾变都有可能对地球上人类赖以生存的农作物生 The earth we live in has gone through a long history of 4.6 billion years. The earth is full of sea and sky, the metabolism of the biological world, experienced numerous tribulations before it reaches the realm of human wisdom that can foresee the future and try to escape the catastrophe. As the Earth’s own changes and human activities intensify, the future unavoidable major catastrophes include extraterrestrial strikes, earthquakes, volcanic eruptions, catastrophic climate changes, epidemics, declining biodiversity, and the growing extinction of or endangered species Extinct. All of these catastrophes have the potential to produce crops for humankind on Earth