Hiking, camping, and getting properly lost.
Spent two years thinking I needed a longer lens. Then I spent one morning sitting motionless by a creek and got closer to a kingfisher than 600mm ever got me. The birds were never too far away. I was too loud.
Orange peels and apple cores aren't 'natural' — they take months to break down and teach animals to associate trails with food. If you packed it in, pack it out. Even the compostable stuff.