Writing a hidden message on the inside of packaging paper to encourage people to recycle. 2. Showing people how long it takes for certain types of trash to biodegrade if they toss it at the beach 3. Having a refill station in your college so whenever people run out of different kinds of soap, they can just use the machine to dispense more.…Writing a hidden message on the inside of packaging paper to encourage people to recycle. 2. Showing people how long it takes for certain types of trash to biodegrade if they toss it at the beach 3. Having a refill station in your college so whenever people run out of different kinds of soap, they can just use the machine to dispense more.WW…