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Show 102 Holidays
Nature & Environment
102 Holidays Found
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January
Back to Top
3
Sat
Day
January 3
Perihelion Day
International
6
Tue
Day
January 6
Apple Tree Day
United States
24
Sat
Day
January 24
International Mobile Phone Recycling Day
United States
28
Wed
Day
January 28
National Daisy Day
United States
29
Thu
Day
January 29
National Carnation Day
United States
February
Back to Top
2
Mon
Day
February 2
National River Day
International
5
Thu
Day
February 5
Western Monarch Day
United States
Day
February 5
National Primrose Day
United Kingdom
13
Fri
Day
February 13
International Natural Day
International
March
Back to Top
1
Sun
Day
March 1
World Seagrass Day
International
10
Tue
Day
March 10
Festival Of Life In Cracks Day
United States
12
Thu
Day
March 12
National Plant a Flower Day
United States
13
Fri
Day
March 13
Solar Appreciation Day
United States
14
Sat
Day
March 14
National Learn About Butterflies Day
United States
18
Wed
Day
March 18
Global Recycling Day
International
20
Fri
Week
National Cherry Blossom Festival
United States
21
Sat
Day
March 21
National Flower Day
United States
Day
March 21
International Day of Forests
International
Day
March 21
World Forestry Day
International
Day
March 21
National Renewable Energy Day
United States
22
Sun
Day
March 22
World Water Day
International
28
Sat
Day
March 28
National Weed Appreciation Day
United States
April
Back to Top
1
Wed
Month
April 1-30
Keep America Beautiful Month
United States
5
Sun
Day
April 5
National Dandelion Day
International
6
Mon
Day
April 6
California Poppy Day
United States
13
Mon
Day
April 13
International Plant Appreciation Day
International
Week
April 13-19
International Dark Sky Week
International
16
Thu
Day
April 16
National Orchid Day
United States
Month
Fuji Shibazakura Festival
Japan
19
Sun
Day
April 19
National Hanging Out Day
United States
22
Wed
Day
April 22
Earth Day
International
Day
April 22
Global Selfie Earth Day
United States
24
Fri
Day
April 24
National Arbor Day
United States
28
Tue
Day
April 28
Save the Frogs Day
International
Day
April 28
Stop Food Waste Day
International
May
Back to Top
1
Fri
Month
May 1-31
Clean Air Month
International
2
Sat
Day
May 2
World Tuna Day
International
3
Sun
Day
May 3
Sun Day
United States
4
Mon
Day
May 4
Greenery Day
Japan
5
Tue
Day
May 5
Great Lakes Awareness Day
International
8
Fri
Day
May 8
Iris Day
Belgium
10
Sun
Day
May 10
Mother Ocean Day
United States
12
Tue
Day
May 12
International Day of Plant Health
International
13
Wed
Day
May 13
Tulip Day
United States
16
Sat
Day
May 16
National Love a Tree Day
United States
19
Tue
Day
May 19
Plant Something Day
United States
20
Wed
Day
May 20
Flower Day
International
Day
May 20
World Bee Day
International
21
Thu
Day
May 21
World Fish Migration Day
International
22
Fri
Day
May 22
International Day for Biological Diversity
International
25
Mon
Week
May 25-29
Water Saving Week
United Kingdom
30
Sat
Day
May 30
National Water a Flower Day
United States
31
Sun
Week
Garden Wildlife Week
United Kingdom
June
Back to Top
1
Mon
Day
June 1
World Reef Awareness Day
International
Month
June 1-30
National Rose Month
United States
Month
June 1-30
National Rivers Month
United States
Month
June 1-30
National Oceans Month
United States
5
Fri
Day
June 5
World Environment Day
International
Day
June 5
Earth Overshoot Day
International
6
Sat
Day
June 6
National Trails Day
United States
8
Mon
Day
June 8
World Oceans Day
International
15
Mon
Week
June 15-21
National Pollinator Week
United States
17
Wed
Day
June 17
World Day to Combat Desertification and Drought
International
21
Sun
Day
June 21
National Seashell Day
United States
Day
June 21
World Hydrography Day
United States
24
Wed
Day
June 24
Upcycling Day
United States
27
Sat
Day
June 27
National Orange Blossom Day
United States
29
Mon
Day
June 29
International Day of the Tropics
International
July
Back to Top
1
Wed
Week
July 1-7
Clean Beaches Week
United States
3
Fri
Day
July 3
International Plastic Bag Free Day
International
10
Fri
Day
July 10
Don’t Step On A Bee Day
United States
Day
July 10
Global Energy Independence Day
International
20
Mon
Day
July 20
Marine Day in Japan
Japan
26
Sun
Day
July 26
National Tree Day
Australia
28
Tue
Day
July 28
World Nature Conservation Day
International
31
Fri
Day
July 31
World Ranger Day
International
August
Back to Top
7
Fri
Day
August 7
National Lighthouse Day
United States
15
Sat
Day
August 15
World Honey Bee Day
International
23
Sun
Week
August 23-27
World Water Week
International
September
Back to Top
7
Mon
Day
September 7
International Day of Clean Air for Blue Skies
International
16
Wed
Day
September 16
International Day for the Preservation of the Ozone Layer
International
Day
September 16
World Ozone Day
International
17
Thu
Week
September 17-23
World Clean and Green Week
Philippines
18
Fri
Day
September 18
World Water Monitoring Day
International
19
Sat
Day
September 19
National Cleanup Day
United States
Day
September 19
International Coastal Cleanup Day
International
21
Mon
Week
September 21-27
Recycle Awareness Week
United Kingdom
22
Tue
Day
September 22
World Car-Free Day
International
24
Thu
Day
September 24
World Maritime Day
International
26
Sat
Day
September 26
Johnny Appleseed Day
United States
Day
September 26
National Public Lands Day
United States
27
Sun
Day
September 27
National Crush Day
United States
29
Tue
Day
September 29
International Day of Awareness of Food Loss and Waste
International
October
Back to Top
14
Wed
Day
October 14
National Fossil Day
United States
November
Back to Top
15
Sun
Day
November 15
National Recycling Day
United States
Day
November 15
America Recycles Day
United States
December
Back to Top
2
Wed
Day
December 2
World Pollution Prevention Day
International
5
Sat
Day
December 5
World Soil Day
International
11
Fri
Day
December 11
International Mountain Day
International
14
Mon
Day
December 14
National Energy Conservation Day
India
19
Sat
Day
December 19
Look for an Evergreen Day
United States
23
Wed
Day
December 23
National Forest Day
International
