Wednesday, Jan 3
Perihelion Day
Saturday, Jan 6
Apple Tree Day
Sunday, Jan 7
Old Rock Day
Monday, Jan 8
Earth's Rotation Day
Wednesday, Jan 10
National Cut Your Energy Costs Day
Wednesday, Jan 10
National Houseplant Appreciation Day
Sunday, Jan 21
World Snow Day
Thursday, Jan 25
Observe The Weather Day
Saturday, Jan 27
National Geographic Day
Saturday, Jan 27
National Seed Swap Day
Sunday, Jan 28
International Reducing CO2 Emissions Day
Sunday, Jan 28
National Daisy Day
Monday, Jan 29
National Carnation Day
Friday, Feb 2
World Wetlands Day
Sunday, Feb 4
National Hemp Day
Wednesday, Feb 7
Rose Day
Monday, Feb 12
Darwin Day
Sunday, Feb 18
Pluto Day
Friday, Feb 23
Skip the Straw Day
Friday, Mar 1
World Seagrass Day
Sunday, Mar 3
National Groundwater Awareness Week
Sunday, Mar 3
World Wildlife Day
Tuesday, Mar 12
National Plant a Flower Day
Monday, Mar 18
Global Recycling Day
Monday, Mar 18
National Biodiesel Day
Wednesday, Mar 20
National Snowman Burning Day
Thursday, Mar 21
International Day of Forests
Friday, Mar 22
World Water Day
Saturday, Mar 23
National Near Miss Day
Saturday, Mar 23
World Meteorological Day
Thursday, Mar 28
Weed Appreciation Day
Friday, Mar 29
Niagara Falls Runs Dry Day
Saturday, Mar 30
Earth Hour
Monday, Apr 1
National Cannabis Awareness Month
Monday, Apr 1
National Garden Month
Wednesday, Apr 3
National Find a Rainbow Day
Sunday, Apr 7
Geologists’ Day
Friday, Apr 12
National Big Wind Day
Friday, Apr 12
Yuri's Night
Sunday, Apr 14
Look up the Sky Day
Sunday, Apr 14
National Gardening Day
Sunday, Apr 14
National Look Up At The Sky Day
Tuesday, Apr 16
National Orchid Day
Friday, Apr 19
National Hanging Out Day
Monday, Apr 22
Earth Day
Monday, Apr 22
International Mother Earth Day
Thursday, Apr 25
National DNA Day
Friday, Apr 26
International Chernobyl Disaster Remembrance Day
Friday, Apr 26
National Audubon Day
Friday, Apr 26
National Richter Scale Day
Monday, Apr 29
National Peace Rose Day
Wednesday, May 1
National Gardening Week
Wednesday, May 1
National Water Safety Month
Wednesday, May 1
National Wildfire Awareness Month
Friday, May 3
National Garden Meditation Day
Friday, May 3
National Space Day
Saturday, May 4
Herb Day
Saturday, May 4
Wildfire Community Preparedness Day
Sunday, May 5
National Astronaut Day
Wednesday, May 8
Iris Day
Friday, May 10
International Day Of Argania
Friday, May 10
Mother Ocean Day
Friday, May 10
National Public Gardens Day
Sunday, May 12
International Day Of Plant Health
Wednesday, May 15
Bring Flowers To Someone Day
Thursday, May 16
National Love a Tree Day
Friday, May 17
National Endangered Species Day
Saturday, May 18
Plant A Lemon Tree Day
Sunday, May 19
National May Ray Day
Monday, May 20
National Pick Strawberries Day
Wednesday, May 22
International Day for Biological Diversity
Saturday, May 25
National Brown-Bag It Day
Wednesday, May 29
International Everest Day
Wednesday, May 29
Learn About Composting Day
Thursday, May 30
National Water a Flower Day
Saturday, Jun 1
International Mud Month
Saturday, Jun 1
National Camping Month
Saturday, Jun 1
National Great Outdoors Month
Saturday, Jun 1
National Pollinators Month
Saturday, Jun 1
National Prairie Day
Saturday, Jun 1
National Rose Month
Saturday, Jun 1
National Trails Day
Saturday, Jun 1
World Reef Awareness Day
Monday, Jun 3
Chimborazo Day
Wednesday, Jun 5
International Day For The Fight Against Illegal, Unreported And Unregulated Fishing
Wednesday, Jun 5
World Environment Day
Thursday, Jun 6
National Caves And Karst Day
Thursday, Jun 6
National Gardening Exercise Day
Saturday, Jun 8
World Oceans Day
Wednesday, Jun 12
National Red Rose Day
Thursday, Jun 13
International Rock Day
Thursday, Jun 13
National Weed Your Garden Day
Saturday, Jun 15
Nature Photography Day
Sunday, Jun 16
Arborist Appreciation Day
Monday, Jun 17
World Day to Combat Desertification and Drought
Tuesday, Jun 18
National Go Fishing Day
Friday, Jun 21
National Daylight Appreciation Day
Saturday, Jun 22
World Rainforest Day
Monday, Jun 24
National Upcycling Day
Thursday, Jun 27
National Orange Blossom Day
Saturday, Jun 29
International Day Of The Tropics
Saturday, Jun 29
International Mud Day
Sunday, Jun 30
International Asteroid Day
Sunday, Jun 30
National Meteor Watch Day
Monday, Jul 1
National Hemp Month
Monday, Jul 1
Plastic Free July
Wednesday, Jul 3
International Plastic Bag Free Day
Saturday, Jul 6
Hop-a-Park Day
Thursday, Jul 11
World Population Day
Friday, Jul 12
Paper Bag Day
Saturday, Jul 20
International Moon Day
Saturday, Jul 20
World Jump Day
Monday, Jul 29
Rain Day
Thursday, Aug 1
National Water Quality Month
Saturday, Aug 24
Pluto Demoted Day
Saturday, Aug 24
Vesuvius Day
Sunday, Aug 25
National Park Service Founders Day
Sunday, Aug 25
National Secondhand Wardrobe Day
Tuesday, Aug 27
National Petroleum Day
Thursday, Aug 29
International Day against Nuclear Tests
Friday, Aug 30
National Beach Day
Saturday, Aug 31
Daffodil Day
Wednesday, Sep 4
National Wildlife Day
Saturday, Sep 7
International Day Of Clean Air For Blue Skies
Sunday, Sep 15
Greenpeace Day
Sunday, Sep 15
National Indoor Plant Week
Monday, Sep 16
International Day for the Preservation of the Ozone Layer
Wednesday, Sep 18
World Water Monitoring Day
Saturday, Sep 21
International Coastal Cleanup Day
Saturday, Sep 21
National CleanUp Day
Sunday, Sep 22
Car Free Day
Friday, Sep 27
National Crush a Can Day
Friday, Sep 27
Save The Koala Day
Saturday, Sep 28
National Public Lands Day
Sunday, Sep 29
World Rivers Day
Friday, Oct 4
World Space Week
Monday, Oct 7
World Habitat Day
Sunday, Oct 13
International Day for Natural Disaster Reduction
Wednesday, Oct 16
National Fossil Day
Thursday, Oct 31
World Cities Day
Tuesday, Nov 5
World Tsunami Awareness Day
Wednesday, Nov 6
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
Friday, Nov 15
America Recycles Day
Friday, Nov 15
Steve Irwin Day
Sunday, Nov 17
National Take A Hike Day
Tuesday, Nov 19
National Camp Day
Wednesday, Nov 20
Friday, Nov 22
National Farm-City Week
Thursday, Nov 28
Red Planet Day
Saturday, Nov 30
National Give Space Day
Wednesday, Dec 4
World Wildlife Conservation Day
Thursday, Dec 5
World Soil Day
Saturday, Dec 7
Skywarn Recognition Day
Wednesday, Dec 11
International Mountain Day
Thursday, Dec 12
Poinsettia Day
Monday, Dec 30
Falling Needles Family Fest Day