Earth Day is the name given to two different annual activities that are intended to raise awareness about a wide range of environmental issues and problems and to inspire people to take personal action to address them. Except for that general goal, the two events are unrelated, even though both were founded about a month apart in 1970 and both have gained wide acceptance and popularity ever since.

In the United States, Earth Day is celebrated by most people on April 22, but there is another celebration that predates that one by about a month and is celebrated internationally.

The first Earth Day celebration took place on March 21, 1970, the vernal equinox that year. It was the brainchild of John McConnell, a newspaper publisher and influential community activist who proposed the idea of a global holiday called Earth Day at a UNESCO Conference on the Environment in 1969. McConnell suggested the day to remind people of their shared responsibility of environmental protection. He chose the vernal equinox—the first day of spring in the northern hemisphere and the first day of autumn in the southern hemisphere—because it is a day of renewal.

At the vernal equinox (always March 20 or March 21), night and day are the same lengths everywhere on Earth. McConnell believed that Earth Day should be a time of equilibrium when people could put aside their differences and recognize their common need to protect Earth's resources. On February 26, 1971, the United Nations announced that it would celebrate Earth Day annually on the vernal equinox, thereby officially establishing the March date as the international Earth Day.

Americans recognize that there is a past on which the present rests. But they have not developed their sense of the depth of time as much as this has been done in the Middle East and South Asia. The Arab looks back two to six thousand years for his own origins. History is used as the basis for almost any modem action. The chances are that an Arab won’ start a talk or a speech or analyze a problem without first developing the historical aspects of his subject. The American assumes that time has depths but he seldom stresses its importance of it.

The American never questions the fact that time should be planned and future events should be fitted into a schedule. He thinks that people should look forward to the future and not talk too much on the past. His future is not very far ahead of him. Results must be obtained in the foreseeable future — one or two years or, at the most, five or ten. Promises to meet deadlines and appointments are taken very seriously. There is real punishment for being late and for not keeping commitments in time. The American thinks it is natural to calculate the value of time. To fail to do so is unthinkable. The American calculates how much time is required to do everything. “I’ll be there in ten minutes.” “It will take six months to finish that job.” “I was in the Army for four and a half years.”

The Americans, like so many other people, also use time as a link that chains events together. If one event occurs on the heels of another, we will certainly try to find a causal relationship between them. If A is seen around the area of B's murder shortly after the crime has been committed we automatically form a connection between A and B. However, events which are separated by too much time are difficult for us to connect in our minds. This makes it almost impossible for us as a nation to engage (从事) in long-range planning.

Sambodromo Samba Parade tickets for Rio carnival

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The boxes in Sector 7 have been covered to offer an enjoyable Parade experience even in the rain. These boxes are more comfortable than the other boxes since the 12 seats are cushioned（带坐垫的）and they also have a coffee table.

Price for per seat is $ 70.

The goal of Lounge Carioca in Sector 5 is to reach those who look for a new product to attract, conquer and make new business. It has privileged location -the center of the Avenue! In our cabin we will have ample and comfortable space for our guests to watch the parades in a unique structure.

Price for per seat is $ 90.

This leisure area between Open Front Boxes of Sector 6 and 8 is for 1,000 rather-party-minded people and contains a beauty salon, a dance floor with DJs and has some space also to relax and watch the Parade on a giant screen.

Price for per seat is $ 100.

These covered boxes in Sector 9 are the best places. They are at the right height to offer the perfect view of the Parade, being above the front boxes. You can buy individual seats in the desired suite or rent a whole suite for a particular night.

Price for per seat is $ 120 and $ 260 for a whole suite.