Green Holidays Around the World
- January 1: New Year's Day: Make a Green New Year's Resolution
- February 2: World Wetlands Day
- March 20: Spring (Vernal) Equinox
- March 21: World Forestry Day
- March 22: World Water Day
- March 23: World Meteorological Day
- Last Saturday of March (3/31/2012): Earth Hour
- April 22: Earth Day
- Last Friday in April (4/27/2012): Arbor Day
- Second Saturday in May (5/12/2012): International Migratory Bird Day
- May 22: International Day for Biological Diversity
- First Saturday of June (6/2/2012): National Trails Day
- June 5: World Environment Day
- June 8: World Oceans Day
- June 15: Global Wind Day
- June 20: Summer Solstice
- July 11: World Population Day
- September 4: National Wildlife Day
- September 21: International Day of Peace
- September 22: Fall (Autumnal) Equinox
- September 22: World Car-Free Day
- First Week of October: Junk Mail Awareness Week
- October 1: World Vegetarian Day
- October 4: World Animal Day
- November 1: World Vegan Day
- November 15: America Recycles Day
- Day After Thanksgiving (11/23/2012): Buy Nothing Day
- December 21: Winter Solstice
- December 25: Christmas Day
