Dear EarthTalk: How are heating, cooling and electricity produced by geothermal energy? I don’t understand how it works.
The term “geothermal” is derived from the Greek words for Earth (geo) and heat (therme). In essence geothermal energy is power harnessed from the Earth itself. Heat from the Earth’s core, which averages about 6,650 degrees Fahrenheit, emanates [...]
Dear EarthTalk: I am considering upgrading some older appliances in my home. Where can I find information on which models are the most energy efficient?
There has never been a better time to upgrade some of those older creaky appliances that are gobbling up much more energy (or water) than they need to in your [...]
Dear EarthTalk: I’d like to know the relative electricity cost of utility scale solar and wind plants versus rooftop residential solar. In other words, how can I know whether to subsidize my utility’s alternative energy plant or renovate my own home?
Making such a determination is complex, but you could start with “In My Backyard,” a [...]
This week’s Do One Thing is about how you cook and/or boil water at home. Did you know that if just 1% of our population put the cover on their pots as they cook, we could save at least 14 BILLION BTU’s worth of energy per day. That’s a lot of wasted energy that could [...]
