Taking simple green steps at home pays

Need an extra $1,500 or so? Whether global warming is real or not, that's about how much consumers would save in a year just by taking little green steps at home.
Experts aren't suggesting anything major such as installing home solar panels, which requires a sizable financial investment upfront. They're talking more like simple "tweaks" to just a few things that consumers buy and the services they use.
Some savings are rather large. Others may mainly impress those most into re...

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