It's not what we don't know that causes us trouble. It's what we know that isn't so. Whichever famous writer said that (it's been attributed to many), what he said carries truth.
What are some of the things we know that aren't so? Here's one: Grass-fed "free-range" beef cattle are better for the environment -- and for you -- than factory-farmed corn-fed cattle. It does seem to make sense that the steer raised in the more "natural" environment would be better for the world.
Michael Pollan, the prolific food author and activist, wrote in The New York Times that "what was once a solar-powered ruminant (grass-fed steer) (has been turned) into the very last thing we need: another fossil-fuel machine" (http://tinyurl.com/2fnr6xx). How so? Farmers burn fossil fuels to ship corn to feed cows instead of letting them eat what's naturally under their feet.
Restaurants serving burgers supposedly made from grass-fed beef self-servingly claim their foods are healthier for the planet. The American Grassfed Association -- surprise, surprise -- says its cattle are better for the environment because harmony is created between the land and the animals.
People believe. Nobody likes the idea of cattle jammed into feedlots. When we asked people, in preparing this week's Fox Business show, which kind of cattle were better, we got the expected answers:
"Cows should be outside."
"Free-roaming grass-fed cows, because you've got happy cows. They've lived a happy life out in sunshine."
It's logical to think that grass-fed steers might be better for the environment, but so often what sounds logical is just wrong.
Don't believe me? Dr. Jude Capper, an assistant professor of dairy sciences at Washington State University, has studied the data (http://tinyurl.com/36492d8).
Capper said: "There's a perception out there that grass-fed animals are frolicking in the sunshine, kicking their heels up full of joy and pleasure. What we actually found was from the land-use basis, from the energy, from water and, particularly, based on the carbon footprints, grass-fed is far worse than corn-fed."
How can that be?
"Simply because they have a far lower efficiency, far lower productivity. The animals take 23 months to grow. (Corn-fed cattle need only 15.) That's eight extra months of feed, of water, land use, obviously, and also an awful lot of waste. If we have a grass-fed animal, compared to a corn-fed animal, that's like adding almost one car to the road for every single animal. That's a huge increase in carbon footprints."
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