Wednesday is Earth Day. Celebrate our planet by following the three R's (using a 2-liter soda bottle as an example): Reduce - Buy only what you need and use all of it; Reuse - use it as a watering can for indoor plants or cut it in half and use the bottom half to hold items; Recycle - instead of trashing the top, take it with other recyclables to a collection point where it will be made into something else.