Therefore the key to a Green economy is sustainability, which would always take precedence over growth. The definition of a sustainable economy is one that meets society's current needs without compromising the ability of future generations to meet their needs.
But for the time being conservative economic thought remains entrenched within all the main political parties. An ever increasing number of people throughout the UK (not to mention in Europe ) are abandoning these principles and have found a new paradigm in sustainability. This now represents a red line that won't be crossed.