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The 22nd of April is theEarth Day Earth Day was founded by United States senator Gaylord Nelson on April 22, 1970. While this first Earth Day was focused on the United States, an organization launched by Denis Hayes, who was the original national coordinator in 1970, took it international in 1990 and organized events in 141 nations. Earth Day is now coordinated globally by the Earth Day Network and is celebrated in more than 175 countries every year. In 2009, the United Nations designated April 22 International Mother Earth Day. Ecology Symbol According to Flags of the World, the Ecology Flag was created by cartoonist Ron Cobb, published on November 7, 1969, in the Los Angeles Free Press. The symbol is a combination of the letters "E" and "O" taken from the words "Environment" and "Organism". The flag is patterned after the United States' flag, with thirteen alternating-green-and-whites stripes. Its canton is green with a yellow theta. Later flags used either a theta or the peace symbol. Theta would later become associated with Earth Day.Earth Day ecology flag Happy earth day! Let’s all take a moment to fell our connection with the world today. Treat every human, animal and plant with respect today! Ways to save the environment:5. Plant trees to shade your home6. Use traps instead of rat and mouse poisons and insect killers. 7. Copy and print on both sides of paper8. Use e-mail instead of paper correspondence. 9. Use a ceramic coffee mug instead of a disposable cup.10. Walk or ride your bike instead of driving whenever possible. 11. Buy cloth napkins instead of paper ones. 12. Reuse packaging cartons and shipping materials. Old newspapers make great packaging material. 13. Buy rechargeable batteries for devices used frequently. Turn off unneeded lights even when leaving a room for a short time. Set your refrigerator temperature at 36 to 38 and your freezer at 0 to 5 . Turn off lights, computers and other appliances when not in use.Wash clothes with warm or cold water instead of hot.