When you are going to send mail you use a special e-mail program . This program also fetches the mail that you get. The only disadvantage is that most of the people do not have an e-mail adress. WWW WWW reads World Wide Web and has become very popular the recent years. On the web different persons, organizations and companys publishweb pages.
Web pages can contain text, pictures and even sounds.
To look on web pages is quite equal to look in a magazine, but web pages have more possibilities. You can have links to other web pages. One bad thing about the web is that it can take very long time to look on some web pages with intense use of graphics. Well, on the internet you can find many information sources regarding environment and nature. By reading these sources you learn more about the environment.