Although you may not wish to share a crowded elevator with a flatulent bovine friend, at least express a little gratitude that he/she is helping to protect the planet from dreaded global warming. A significant but media-ignored 2013 report published in the journal Nature concluded that livestock greenhouse gas “excretions” may tend to cool, not heat up, temperatures. Titled “Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere," the report concludes that the ammonia-laden content contributes in creating cloud cover which reflects daytime solar infrared energy back to space. Although the clouds also hold heat near the surface at night, [...]