D them but it also looks to the future Ancient technologies are what engineers define as 'intermediate ' which means that they are often simple low in cost and they depend on local materials Significantly they don't reuire fossil fuels There is a lot that we in the West can learn from the past and from developing countries where people still practice traditional agriculture and there is now broad agreement among m
rediscovering pdf sustainability kindle Rediscovering Sustainability KindleD them but it also looks to the future Ancient technologies are what engineers define as 'intermediate ' which means that they are often simple low in cost and they depend on local materials Significantly they don't reuire fossil fuels There is a lot that we in the West can learn from the past and from developing countries where people still practice traditional agriculture and there is now broad agreement among m