The family is using compact fluorescent light bulbs and hanging its laundry outside to dry.
Light emitting diodes, or LEDs, could work nicely as replacements for incandescent and compact fluorescent light bulbs.
And finally, we received a flood of e-mail about my story last week on compact fluorescent light bulbs.
The major use of terbium is in compact fluorescent light bulbs (the other main one is in phosphors for TV screens).
They seem to be saying that terbium should have run out last year: so that means no more compact fluorescent light bulbs ever.
FORBES: It's 2013: Let's Check Those New Scientist Claims About Running Out Of Terbium And Hafnium
For civilian purposes, these materials are crucial for high-tech items such as computers and televisions as well as green items such as batteries and fluorescent light bulbs.
The Environmental Protection Agency and some large business, including Wal-Mart, are aggressively promoting the sale of compact fluorescent light bulbs as a way to save energy and fight global warming.
And in one of the coolest art projects we came across this week, Chinese artist Wang Yuyang used thousands of compact fluorescent light bulbs to create a replica of the Moon.
It was also a big week for lighting news as we learned that compact fluorescent light bulbs emit potentially harmful UV radiation -- another good reason to make the switch to LEDs.
This means sealing air leaks around windows and doors, properly insulating attics, replacing standard light bulbs with compact fluorescent lamps and giving your heating and cooling systems an annual checkup to ensure they're running properly.
Fluorescent bulbs emit a pallid, bleached light that is okay for hallways and porches, but which fails to flatter and provide a good quality of light for living rooms.
Fluorescent and LED lights use nearly two-thirds less energy than regular light bulbs, are significantly brighter, and, according to Consumer Reports, will last nearly 50-times longer than incandescent bulbs.
Remember those bi-partisan Congressional votes phasing out incandescent light bulbs in favor of fragile mercury-laden, landfill-destined compact fluorescent lighting to clearly dispel any such illusions.
FORBES: Paul Krugman's Toxic Shock Syndrome: Mercury Madness
The 60W is the latest old-fashioned light bulb to be switched off in favour of the fluorescent lamps, energy-saving halogen bulbs and LED lights.
According to IMS Research, collectively, 5.6 billion bulbs light American households and businesses, including 4.2 billion incandescent bulbs and about 1 billion compact fluorescent (CFL) bulbs that contain toxic mercury.
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