Food Forests: what they are and why you should let me plant them on every golf course. The chaser: why manicured lawns are evil, and how to turn them into a food forests. This includes side topics on native plants & finding fruit you can grow without spraying harmful chemicals.
ETX GovYou've got a captive audience on a plane, and you know they can't open the doors and yeet you out. What subject are you gonna do a 30 minute sermon on?