Cost savings guidance and resources are available through Sustainable Westchester and Sustainable Hudson Valley:

Change Your Lightbulbs

Perhaps the simplest and most profound thing you can do for the environment is to change your lightbulbs to LED. Compared to incandescents, energy-efficient lightbulbs such as halogen incandescents, compact fluorescent lamps (CFLs), and light emitting diodes (LEDs) typically use about 25%-80% less energy and last 3-25 times longer. Learn more at the US Department of Energy

For your garden, look for Dark compliant bulbs.

"EnergySmart HOMES helps residents learn about cleaner ways to heat and cool their homes, access vetted energy efficiency experts and simplified financing. Click through and scroll down to learn more about the technologies and resources available and then sign up for your home energy assessment."