Thursday, 10 December 2009
The SPAB working party at the old church, Compton Abbas, was a strong grounding in conservation philosophy and practice. Many long hours were spent mixing mortars, pointing and rebuilding the boundary walls and discussing every aspect of what we were doing. Later events were at Greatham in Hampshire and are now at Ratcliffe-on-Soar, Nottinghamshire.
Thursday, 3 December 2009
-describes the amount of pollution generated during the manufacture of a product. Carbon refers specifically to carbon dioxide (co²). This occurs naturally in the atmosphere as a gas in small quantity, approximately 0.04%, but it is also a by product of combustion. It absorbs light in the infra red range and in doing so it increases the temperature of the atmosphere, for this reason it is described as a greenhouse gas.