cuba has been for a long time a subject to the american embargoes and there are forms of geopolitical juco now make pressure which produced a mode of living that even cubans themselves want to change they have a new government that is very explicit in its intention to raise people's living standards so that development may be sustainably. anomaly but he's it really something that people would want to sustain i'm not saying it's sustainable i'm just saying they have a resource consumption that is replicable world wide and still with that amount of resource they have achieved quite long lives and high levels of education not so high income i'm not saying they have that's kind of their overarching goal have been peru is another example what stare but i think the overall question for humanity is how can we have all high human development while still living within the means of this one planet and there are great opportunities to move in this direction we just haven't applied just haven't employed innovation to make that happen we use most innovation to use more to have bigger cars heavier cars