If the closest your kid has been to the natural world lately is the waterfall screensaver on his or her computer, you might want to look into a program that offers lots of outside time. Anything from nature hikes to gardening would be ideal for converting your couch potato into a nature child. And this is an area where you're likely to find many opportunities within your community -- even if your kid's school doesn't offer them.
When it comes to after-school programs with an outdoors angle, consider scouting as a possibility. Another great resource would be your local 4-H club. Look to local gardening clubs and arboretums for more potential options. Many, like the Denver Botanic Gardens, will have you covered.
Keep reading for more creative after-school ideas.