You can make an earth. Make a girl throwing away a can in the recycling bin.
You can draw nature. Make a poster that says "Earth Day is great for the Earth."
Posters for ozone day can be designed in various ways. Earth Melting by global warming would be a good idea.
Here's some ideas : Its day length is almost the same as Earth's. Its axial tilt is almost the same as Earth's. It has volcanoes. It has polar ice caps.
Make posters for Earth Day (next year). Volunteer at their library. Pick up the trash EVERYTIME you see it (and have time to dispose of it properly).
Ideas for Market Day for school can be any handmade item. Some type of paper origami, magnets, and ornaments are good ideas for items to make.
There are many great ideas for day trips that kids can have fun on. Some great day trip ideas are, waterparks, beaches, parks, interactive museums, and art's and crafts festivals.
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Green Day posters are available from several different places. Some examples for online shops include "Amazon", "eBay", "AllPosters" and of course special music retailers like "EMP". Additionally also the merchandising section on the official Green Day homepage has posters in stock.
Spiro sheet
Some idiot just said, "screw it, today is earth day."
Clean up litters on the ground
some good lines on earth day
Some ideas for father's day are a fishing trip, a BBQ, going to a movie, taking him out to dinner, or taking him to a nice golf course.