Dr. Abdul Shakoor Chaudhry, at Newcastle University in England, has recently led a study on natural ways to reduce methane emissions from cows, sheep and goats. Dr. Chaudhry and his team tested the use of spices traditionally found in Indian curries — cumin, coriander, clove, turmeric and cinnamon — to cut methane emissions by feeding the ground up spices to sheep (which have very similar systems as cows and goats).
This article appears in Jul 15-21, 2010.