Gain your independence from waste this 4th of July Make your red, white and blue day a little greener with these sustainability tips.  1. Growl-er more.  Serving beer and wine from growlers instead of individual cans or disposable glasses can help minimize waste.  2. Use the last straw. Straws are one of the worst pollutants out there. In the U.S. alone, we use 5 hundred million every. single. day. Plus, now there are these super cool keychain straws.  3. Avoid plastic bottles.  Yeah, you know the drill. Plastic bottles are awful for the environment. But they are also more loosely regulated than...