Earth Day is a worldwide environmental protection activity on April 22nd every year. This activity was first initiated by Gaylord Nelson and dennis hayes in the United States at 1970. He chose1Wednesday, April 22nd, 970 as the first "Earth Day". On April 22 of that year, about 20 million people in the United States took part in demonstrations and speeches.

And then the influence is getting bigger and bigger. The purpose of the activity is to arouse people's awareness of caring for the earth and protecting their homes, promote the coordinated development of resource development and environmental protection, and thus improve the overall environment of the earth. Since 1990s, China has held Earth Day on April 22nd every year.

America 1970 was an eventful year, and optical fiber fabrics were invented. The "Apollo 13" tragedy caused the moon landing plan to fail, and a nuclear power plant near savannah river, South Carolina leaked. At that time, Americans breathed lead-containing exhaust gas from luxury cars all day. Factories discharge smoke and sewage unscrupulously, but they never worry about being sued or condemned by public opinion. "Environmentalists" are rare. They are just words listed in the dictionary, but they are rarely taken seriously. It is against this background that the first "Earth Day" was a great success. In view of public concern about environmental protection, the US Congress adjourned on Earth Day, and nearly 40 members of the Senate and House of Representatives spoke at local gatherings respectively. American celebrities such as Lent Dubes, paul ehrlich, and ralph nader spoke in succession to clarify the significance of the rally. 250,000 people gathered in Washington, D.C., and more than 654.38 million people marched on Fifth Avenue in new york City to support this activity.

According to statistics, on this day, more than 20 million people, 1000 primary and secondary schools, 2,000 colleges and universities, 2,000 communities and major groups in the United States participated in the "Earth Day" activities. People hold rallies, parades and other forms of publicity activities, holding highly polluted earth models, huge paintings and charts, shouting slogans and demanding that the government take measures to protect the environment. 1970 The first "Earth Day" was a huge event, and it was hailed as the biggest social activity in the United States since World War II. This activity marks the rise of the American environmental movement and urges the American government to take some measures to control environmental pollution.