Environmental School Needs an Updated Icon

This is what a business in United States was looking for in their icon design

Eagle Bluff is a non-profit residential environmental learning center located in the bluff country of southeast Minnesota. We believe that together we can make a lasting difference by connecting people to the natural world through experiential learning and positive outdoor experiences. We have had our logo revised but are in search of an icon that would complement it. We would like the colors Pantone 5463 and 7530 incorporated but would be open to one more complementary color added. It also needs to look good as a B/W or grayscale. The icon should be designed to stand alone and/or be married to the type logo. Read more