Making little lifestyle changes will do a lot to enhance sustainability for the planet--and make every day Earth Day. It's a great feeling every Earth Day to bike to work and show your love of the planet. But sustainable practices-managing how you use resources to ensure that there will enough for future generations-doesn't have to be limited to once a year. With a few adjustments, sustainable practices can easily become a part of daily life and save you money while you help improve the planet.WHAT IS SUSTAINABILITY?Sustainable living is an umbrella term that covers many different ideas and programs. It can be as simple as recycling and using less water or as complex as changing state and federal policies to promote wind and solar power and high-speed rail transportation. Local planning commissions...