Search Results for: food waste
Raising livestock outdoors is humane, but pasture-raised animals can cause environmental problems
[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2012/03/EW-04-25-12-Hog-Waste.mp3|titles=EW 04-25-12 Hog Waste]
Let’s focus on pigs. Most of the pork we consume comes from massive indoor facilities where a large number of animals are raised in a relatively small space. These operations are notorious for pervasive odors and for causing air and water pollution. For ethical reasons, many people prefer to buy pasture-raised pork. [Read more…] about Raising livestock outdoors is humane, but pasture-raised animals can cause environmental problems
Wonder fish or pink poison?
[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2012/03/EW-04-17-12-Aquaculture.mp3|titles=EW 04-17-12 Aquaculture]
Salmon consumption has been linked to improved cardiovascular health and brain function. But not all fish are created equal. In the U.S., two-thirds of salmon are farm-raised. Compared to their wild counterparts, these fish are often less nutritious and have a larger environmental impact. [Read more…] about Wonder fish or pink poison?
Cities as ecosystems?
[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2012/03/EW-04-09-12-City-Ecosystems.mp3|titles=EW 04-09-12 City Ecosystems]
Ecologists define an ecosystem as a unit of the landscape—a forest, a lake, or a river. Often, they are interested in the movement of materials through that area. For instance, rain may deposit nitrogen in a forest, while a stream may carry nitrogen away from the forest and into a river. [Read more…] about Cities as ecosystems?
It’s a small world out there
[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2012/03/EW-03-13-12-Nanoparticles.mp3|titles=EW 03-13-12 Nanoparticles]
Like it or not, we have entered the world of nanotechnology. Less than 1/3 of a micron in length, nano-particles are miniscule. On the surface of clothing, they can prevent stains and wrinkles; on bandages, they impart antimicrobial properties. [Read more…] about It’s a small world out there
Here’s the fish, and here are the fish on drugs
[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2012/02/EW-02-14-12-Fish-Pills.mp3|titles=EW 02-14-12 Fish Pills]
We are a nation of pill poppers. From statins to lower cholesterol to antidepressants to lift our mood, more than half of Americans are currently taking a prescription drug. Some twenty percent of us are take three different prescriptions daily. [Read more…] about Here’s the fish, and here are the fish on drugs
Green Packaging Cuts Costs and Material Use
[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2011/11/Packaging-sig2-musSRB.mp3|titles=Packaging-sig2-musSRB]