Read the text again and mark the sentences True or False. 1. The first Earth Day was celebrated around the world. 2.The celebration became international thanks to Senator Gaylord Nelson. 3. A few countries celebrate the Day, 4. The Day is now coordinated by The Earth Day Network at the international level. 5. In 2009, Denis Hayes took it international and organized events. 6. The United Nations designated April 22 International Mother Earth Day. 7. Earth day is celebrated in more than 175 countries.