Showing posts with label methane. Show all posts
Showing posts with label methane. Show all posts

Thursday, April 27, 2023

Ag committee wants cattle kept out of emission plans

The EU Parliament's Agriculture Committee wants to exclude cattle and other livestock from plans to cut greenhouse gas emissions: https://www.euractiv.com/section/agriculture-food/news/agriculture-meps-ask-to-exclude-cows-from-emission-cutting-plans/

Cattle are responsible for 68-74 per cent of livestock emissions.  Methane from cattle is shorter lived than carbon dioxide but is estimated to be 28 times more potent in warming the atmosphere.

In 2018 methane emissions from enteric fermentation in digestive systems of ruminant livestock continued to be the largest single component of farm-gate emissions. Enteric fermentation is a natural part of the digestive process in ruminant animals such as cattle, sheep, goats, and buffalo.   This is a digestive process as enzymes in their gut break down grass, hay and other feed.  Microbes in the digestive tract, or rumen, decompose and ferment food, producing methane as a by-product.    The gas, which builds up in stomachs, is then emitted largely through their burps

Thursday, December 22, 2022

Crackdown on livestock farm emissions

Alan Matthews explains why extending the Industrial Emissions Directive to the most polluting livestock farms is justified.   It will be extended to large dairy and cattle farms and more pig and poultry farms.  Ammonia and methane emissions have fallen by very little since 2005.  The livestock sector is responsible for the majority of them: http://capreform.eu/regulating-the-most-polluting-livestock-farms-is-justified/

The proposal has attracted strong opposition in the European Parliament.

Thursday, April 10, 2014

Cows to get climate change fix

If it was April Fools Day one would think this was a joke, but a White House climate change initiative is searching for a 'cow of the future' whose greenhouse gas emissions would be cut by anti-methane pills, burp scanners and gas backpacks.

Methane is a particularly potent greenhouse gas with a global warming effect that is twenty times greater than carbon dioxide and cows emit a lot of it. A typical cow emits 250-300 litres of methane a day. The 88 million cattle in the US produce more of it than landfill sites, natural gas leaks or fracking. However, contrary to a common misconception, 97 per cent of the methane gas is released by the front end through burps, not through emissions from the back end.

Supplements such as basil can cut methane production in cows. In Argentina, scientists have created backpacks that collect gas via tubes plugged into cows' stomachs. That sounds as if it would raise animal welfare issues to me.

Monday, May 24, 2010

Cows account for 4 per cent of greenhouse gases

The urgent need for a stronger climate change dimension to the CAP is emphasised by a report from the Food and Agriculture Organisation (FAO) which is a UN agnecy. If one takes account of everything from nomadic herds to processing plants, milk production accounts for 2.7 per cent of global greenhouse gas emissions. This rises to 4 per cent when meat processed from the dairy industry is added in.

Methane contributes most to the global warming impact of milk, accounting for 54 per cent of emissions. Nitrous oxide accounts for 27 per cent of emissions in developing countrues and 38 per cent in developing countries.

You can find the full report here: FAO

Sunday, February 21, 2010

Call for tax on livestock emissions

Methane is a particularly powerful greenhouse gas and recent research suggests that it may have 33 times the effect of carbon dioxide when its interaction with airborne particles is taken into account. It is also very persistent in the atmosphere.

Calls for a tax on livestock emissions have been discussed half seriously in the European Commission, but now it has been advocate by the United Nations: Flatulence

What is evident more generally is that agriculture and the food chain has to be fully incorporated in attempts to mitigate and adapt to climate change. However, the farm lobby has been a powerful opponent of the cap-and-trade bill in the US.