世界地球日是什么时候呢作文450字篇24

now the earth is in bad condition. for example， in some places， the air and water pollution is so serious that it causes many deaths. at the same time， many animals and plants are in danger because of the destruction of their habitats.

luckily， we human beings have realized the problem. on april 22nd， millions of people across the world do something good for the earth. some clean up beaches and water， some pick up rubbish， others give speeches to call on more people to take action. but can we save the earth only by one day‘s work? the future of our planet depends on our efforts. what we should do is to make every day earth day. only by taking good care of it every day can we hope to live in harmony with nature.