An experienced mountain guide and a teacher from Canada climb Everest together, and their journey shows why permit fees, crowds and rubbish are big questions for the mountain.
A girl and her grandfather volunteer to count monarch butterflies on the California coast and learn why the famous insects are in trouble and how people can help.
A small-town cinema manager starts monthly knitting screenings to bring people back, and the evenings become a place to relax, learn and make new friends.