植树造林、绿化环境,既影响到今天人类的生活、也关系着子孙后代的幸福。植物象绿色的卫士、保护着人类的健康。绿色植物有吸收二氧化碳,同时又制造氧气的能力。据有关资料统计,每公顷的阔叶林,每天能吸收一吨二氧化碳,同时释放出零点七三吨氧气。绿色植物通过光合作用,调节了空气中的二氧化碳和氧气,不断更新空气。如果人们漫步 Afforestation, greening the environment, not only affects today’s human life, but also the happiness of future generations. Plants like green guards, protecting human health. Green plants have the ability to absorb carbon dioxide and at the same time make oxygen. According to statistics, a hectare of broad-leaved forest can absorb one tonne of carbon dioxide per day and release 0.73 tons of oxygen at the same time. Through photosynthesis, green plants regulate the carbon dioxide and oxygen in the air and constantly renew the air. If people wander