eco-friendly merry christmas poster. sustainable winter poster set

font brand text line logo advertising circle diagram presentation label number banner signage green cartoon design poster pattern sign christmas eco globe holiday santa hat snowflake environment sustainability green global festive merry eco-friendly earth world climate winter nature environmental season's greetings celebration holiday card minimalist design cheerful seasonal symbol decoration traditional eco-awareness planet christmas clean energy snow festive art simple merry peace eco-conscious sustainable graphic modern spirit gift nature-inspired environmental message global warming awareness