保护自然就是保护人类自己The protection of nature is to protect ourselves
地球是我家,保护环境靠大家The earth is our home,Protect environment depends on everyone还能再来2条吗？谢谢！用爱呵护自然，用心守护家园。Love nature, carefully guarded home. 珍惜自然资源，共营生命绿色。The treasure of natural resources, a total of camp life. 可以么？