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Activist, educator and author Ynestra King went so far as to call ecofeminism "the third wave of the feminist movement" [source: Sturgeon]. The term was coined in 1974 from the French feminist Francoise d'Eaubonne's work, "Le féminisme ou la mort." Feminism can be defined as the ...
How the EPA carbon standards workNext week, the U.S. Environmental Protection Agency (EPA) is expected to propose the first-ever national Carbon Pollution Standards for new and existing power plants, under Section 111(d) of the Clean Air Act.Smart Grid News...
A lower-income earner may have less work experience or hold a degree not directly related to the industry. A worker with a higher income often has substantial tenure in his position or has earned advanced degrees in business, accounting, law, or finance. Those who work at large corporations ...
How Fuel Cells Work If you want to be technical about it, a fuel cell is an electrochemical energy conversion device. Discovered in the 1800s, a fuel cell converts the chemicals hydrogen and oxygen into water, and in the process it produces electricity. ...
But if you added fish oil or an Omega-3 supplement like the new Performance Lab® Omega-3 to your daily nootropic stack, how long does it take for Omega-3 to work? How soon can you experience these health benefits?In this post you’ll learn what Omega-3s are, what happens when ...
The EPA recommends that septic tank users play it safe and not substitute these products for regular septic tank inspections and pumping. Without regular pumping of the septic tank, the system can overflow. Sometimes overflow can lead back to the house, where toilets and drains belch forth what...
Today, there are about 2,600 landfills that handle municipal solid waste across the U.S. [source: EPA]. These facilities, which are designed and operated to conform to federal regulations, primarily are for the purpose of handling household trash. In addition, municipal solid waste landfills al...
Because ozone is very corrosive, it damages the bronchioles and alveoli in your lungs, air sacs that are important for gas exchange (see How Your Lungs Work for details). Repeated exposure to ozone can inflame lung tissues and cause respiratory infections. Ozone exposure can aggravate existing ...
If you have read How a Block and Tackle Works or How Gears Work, then you know that trading force for distance is very common in mechanical systems. In a hydraulic system, all you do is change the size of one piston and cylinder relative to the other. Hydraulic multiplication. Lets say...