Instead of cards or presents for my big birthday, please (i) donate to Butterfly Conservation or (ii) plant some butterfly/insect friendly plants in your garden / window box / back yard. 

Butterfly Conservation has some useful gardening tips here: 

https://butterfly-conservation.org/how-you-can-help/get-involved/gardening/gardening-for-butterflies  

Butterfly Conservation is the UK charity dedicated to saving butterflies and moths. Butterflies and moths are key indicators of the health of our environment. Butterfly Conservation improves landscapes for butterflies and moths, creating a better environment for us all.