Written by Holistic Horse
Lime is one of man’s oldest and most vital chemicals. The ancient Romans used lime for building and road construction, uses that continue to the present day. From earliest times, lime has been made by heating limestone (calcium carbonate) to high temperatures. This process, known as calcining, results in quicklime, or calcium oxide. Hydrated lime (calcium hydroxide) is produced by reacting quicklime with sufficient water to form a dry, white powder.
Written by Vanessa Wright
If you and your horse would like to ride greener, live more sustainably, or join - or lead - the charge toward saving the world, check out these ten books that help horse-loving kids, teens, and adults celebrate Earth Day every day!
Read more: Top Ten Books on Green Riding, Sustainable Living, and How Equestrians Can Save the World



