Celebrate the planet by taking steps to make it a healthier place to live. Walk or bike to work or to the store, buy local and organic, non-GMO products, use re-useable shopping bags, use earth and human-friendly products like Seventh Generation, and most of all, get outside and enjoy the gorgeous spring weather! It's not about absolutes - nobody can do all of it, all the time - but it is about doing everything you can realistically to make steps toward a healthier planet and body.
In honor of the day, here's a great article showing how environmental education is succeeding in some places.