森林是自然界中的一个重要的生态系统。森林是地球之肺,湿地是地球之肾,土地沙化是地球的癌症,生物多样性是地球的免疫系统,在维护地球生态平衡中起着决定性作用。科学家警告:随着森林锐减、土地沙化、湿地减少、水土流失、干旱缺水、物种灭绝、气候变暖等生态危机的日益突出, The forest is an important ecosystem in nature. The forest is the lungs of the earth, the wetland is the kidney of the earth, the desertification of the land is the cancer of the earth, and the biodiversity is the Earth’s immune system and plays a decisive role in maintaining the ecological balance of the earth. Scientists warn: With the increasingly prominent ecological crisis such as the sharp decline of forests, the desertification of land, the decrease of wetlands, soil and water loss, drought and water shortage, species extinction and climate warming,