We all know what the BEST food for babies is (at least for the first 6 months): breast milk! But what about children who can’t get it, because they are adopted, for instance? The solution may be at hand: Scientists have successfully introduced human genes into 300 dairy cows to produce milk with the same properties as human breast milk.
Wetlands, permafrost, termites, oceans and freshwater are all natural sources of the potent greenhouse gas methane. However, the majority of the methane that is changing our climate is caused by human-related activities such as fossil fuel production, biomass burning, waste management and animal husbandry (due to cow farts). The release of methane into the atmosphere by cattle and other large grazing mammals is estimated to account for 12 to 17% of the total global methane release.
No problem – Forget all those jokes about cow flatulence causing climate change. A new study reports that the dairy industry is responsible for only about 2% of all US greenhouse gas emissions.
While one group of researchers addressed carbon emissions from the dairy to the milk in your cereal bowl, another group looked further upstream. Engineer David Shonnard says, “We focused on the carbon footprint of the feed crops. Animal feed is a major contributor to carbon emissions.”