RECYCLING:
www.earth911.org - sources for recycling just about anything
www.freecycle.org - give away (and get) stuff for free within your local community
GENERAL:
United States Postal Service
www.usps.com/household
Ship a package, buy stamps, change your address, and much more without ever standing in line.
www.time.gov - To find the accurate time and date in any time zone throughout the world