Albert Bartlett: On message about exponential growth to the end

Albert Bartlett might have been another obscure physics professor had he not put together a now famous lecture entitled "Arithmetic, Population and Energy"in 1969. The lecture begins with the line: "The greatest shortcoming of the human race is our inability to understand the exponential function."

Gauging the urban appetite

The agendas that are set so solemnly for international (or global) food and hunger problems cannot be used at the sub-national or local administrative level, which must analyse its own problems and find practical solutions, All too often, catering sensibly to the food needs of urban populations is ignored by policy makers, while economic ‘development’ (more infrastructure, more financing, more consumption, more personal mobility at the cost of public transport) is welcomed. The provisioning of food and the planning for shortening and localising food supply chains is usually abandoned by public administrators to the ruthless methods of the market