Non-nutritional applications of polysaccharides are presented as a remedy for limits put on the level and quality of crop production. Present state of technique and prospects arc discussed based on the outlook of European Union, for the level of production of chemical industry up to 2040. The 300% increase in the output of that industry will be achieved without any increase in the utilization of fossils. Polysaccharides and proteins, versatile, renewable, biodegradable materials originating from crops will be primary sources of chemical industry.