1st - Start of meteorological Spring
1st - St David's Day - patron Saint of Wales
1st - World Seagrass Day
3rd - World Wildlife Day
3rd- 9th - Food Waste Action Week
5th - St Piran's Day - patron Saint of Cornwall
7th - World Day of Prayer (from the Cook Islands)
11th - Commonwealth Day
11th - 17th tbc The Big Plastic Count
14th - Full 'Worm' Moon, total lunar eclipse and Blood Moon
14th - 16th Green Football Weekend
15th - 16th AHH/British Herpetological Society Conference, Drayton Manor
15th - 31st The Great British Spring Clean
17th - St Patricks Day
20th - Astronomical Start of Spring
20th - World Rewilding Day
20th - World Sparrow Day
20th - World Frog Day
21st - the inaugural World Glaciers Day
22nd - South of England Bat Conference 9-5.15pm Surrey University
22nd - World Water Day
22nd - WWF's Earth Hour - 8.30pm
28th - 29th Mammal Society's Annual Conference
30th - Mothering Sunday
31st - British Summertime Begins