The Wildfowl & Wetlands Trust (WWT) is a leading UK conservation organisation saving wetlands for wildlife and people across the world. Founded in 1946 by the naturalist and artist, the late Sir Peter Scott, WWT is committed to the protection of wetlands and all that depend on them for survival.

Eco-friendly cards: recycled envelopes, paper from sustainable forestry, compostable outer slips.

Photography: Ben Hall (WW101, WW102, WW106, WW108, WW110, WW120, WW121), Keven Law (WW103, WW105), Colin Varndell (WW104, WW109, WW114, WW116, WW124), Geoff Dicker (WW107), Gavin Parsons (WW111), Nigel Campbell (WW112), Adrian Campfield (WW113, WW117), Ross Hoddinott (WW115), Gary Woodburn (WW118, WW122), Rob Lind (WW119), Peter Cairns (WW123)