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 [...]
When a wealthy donor to Cal Poly San Luis Obispo, who also happens to be chairman of a conventional beef operation, caught wind that the school was inviting Michael Pollan to lecture about sustainable food, he threatened to pull future funding unless an “alternative view” was presented. That’s all it took to get Cal Poly [...]
Blog Action Day is an annual event that unites the world’s bloggers in posting about the same issue on the same day on their own blogs with the aim of sparking discussion around an issue of global importance. Blog Action Day 2009 will be the largest-ever social change event on the web, and this year [...]
When spending time outdoors, whether it be hiking, camping, or whatever, the only thing you should be taking home with you is what you had with you when you arrived. You should not be picking up rocks, taking home starfish, or collecting anything that is found in nature. Sure, it may seem like a tiny [...]
This week’s Greenwash isn’t about a company or a product, but rather about those “environmentalists” who spend their time flying around the globe going to “green” conferences. How anyone can fly from state to state attending eco-events and still call themselves Green is beyond me. There is absolutely nothing environmentally friendly about air travel – [...]
You could go to the store and buy a whole bunch of toxic air fresheners, laundry detergents, cleaning supplies, or personal care products…but why would you? Using natural essential oils in place of some of those products is better for you and the planet, so it’s a no-brainer!
Here are a few ways to use [...]
Stonyfield Farm and Body + Soul magazine have teamed up to create a free Going Greener Guidebook to discover more than 350 little ways you can make a big difference for the planet. The download provides hopeful, inspiring flash-forwards from green leaders like Annie Leonard, Bill McKibben and Richard Heinberg. Topics covered in Going Greener [...]
