大气变暖了
The air is warming
冰川融化了
Ice cap is melting
陆地变小了
Land becomes smaller
鸟儿不见了
Birds are vanishing
我们来植树
We plant trees
我们来种草
We grass seeds
大地变绿了
The earth turns green
天空变蓝了
The sky is blue indeed
春天又来了
Spring again we see
鸟儿回来了
Birds fly back with glee