Cowsproducemuchmethane(甲烷),theworld'ssecondworstgreenhousegas,astheybreakdownthegrass.Theyarealargesourceofthegreenhousegasesthataredrivingclimatechange.Nowscientistshaveshownthepollutionfromcowscanbereducedbyaddingalittleseaweed(海藻)totheirfood.Recently,theresearchersfromtheUniversityofCaliforniastudied21cowsonafarm...
Over the five months, the scientists didn’t see any signs that the cows’ stomachs were getting used to the seaweed and starting to produce more methane again. What’s more, the cows that were led seaweed gained just as much weight as the other cows.(结果出乎意料地好。在某些情况下,...
Cows produce much methane (甲烷) the world’s second worst greenhouse gas, as they break down the grass. They are a large source of the greenhouse gases that are driving climate change. Now scientists have shown the pollution from cows can be reduced by adding a little seaweed (海藻) to ...
Why do cows and other ruminants produce methane? Methane gas is more harmful than carbon dioxide. © Photographer: Igor Terekhov | Agency: Dreamstime.com With the development of large-scale agriculture in the mid-20th century, farming became a big business for some companies. Farms became cons...
Cows produce methane gas as a byproduct of digestion, thanks to their multiple stomachs. That methane is typically released from their body in the form of burps and sometimes flatulence (ie. farting cows). Featured Fact-check Viral image ...
The gas they produce is bad for our planet. Scientists say the animals may have to change their menu.When a cow digests food, its stomach produces methane (甲烷). According to the UN, farm animals, like cows and sheep, give out nearly 15 percent of the greenhouse gas caused by human ...
D. Gas the world's airplanes give out 29. How did Kinley find the seaweed diet? A. He went to a few oceans. B. He found the red seaweed by accident C. He tested more than 40 kinds of ocean plants. D. Cows need to eat enough red seaweed to stop producing methane. 30. What's...
Cows are one of the biggest contributors to climate change, responsible for about 14.5% of total man-made greenhouse gas (GHG) emissions. There are unfortunately a number of layers to the problem, however. Cows produce methane when they digest their food and storing manure in liquid form also...
The livestock sector has been reported to be responsible for 18% of the total anthropogenic greenhouse gas (GHG) emissions on a worldwide basis (FAO, 2006). The GHG's considered in this publication are carbon dioxide, methane and nitrous oxide. It isimportant to remember that this is a ...
Cows are responsible for about 40% of global methane emissions. Methane is the gas passed or belched by the world's 1.4 billion cattle. In Scotland, cattle can be found grazing on the lush green pastures. Some environmentalists believe that when it comes toglobal warming, meat, especially ...