Cow Farts

Summary


In Canada, emissions from enteric fermentation make up three per cent of the country's total. In Manitoba it's 12 per cent, up from 8.5 per cent in 1990. In fact, the province's enteric fermentation emissions rose 60 per cent since 1990, accounting for 2,450 Kt. of the province's 20,000 Kt. greenhouse gas output.

Imagine a pie chart representing Manitoba's 20,000 Kt of greenhouse gas emissions from 2004. Mark out a slice that's 36 per cent (7,300 Kt.) for transportation (commercial transportation, aviation, railways and personal use) and a 32 per cent slice (6,400 Kt.) for agriculture. Then mark another 32 per cent slice (6,300 Kt.) for energy generation, residential and commercial use, mining, manufacturing and all other industrial processes including chemical industries and garbage dumps. Now you're getting the picture.

Manitoba's agricultural sector may not be the largest source of the province's emissions -- transportation produces more -- but the sector's growth rate is highest. The National Inventory Report, 1990-2004, Greenhouse Gas Sources and Sinks in Canada reports that the growth in enteric fermentation alone was 60 per cent in the province, nearly double the country's 33 per cent increase during the same time period. The report also attributes increased nitrogen fertilizers and animal manure on cropland as significant factors in the province's increase.

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Extract


Cow Farts

They're no laughing matter

Penni Mitchell

What would you do if you were in charge of deciding what Manitoba should do about global warming?

First you'd probably look at where our greenhouse gas emissions come from. You'd also want to k...

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