 Over time Russia has been having improvement and application of environmental legislation, development and implementation of various federal and regional strategies and programmes,and study, inventory and protection of rare and endangered plants, animals, and other organisms, and including them in the Red Data Book of the Russian Federation.Russia has an upper-middle income mixed economy with enormous natural resources, particularly oil and natural gas.It has the 11th largest economy in the world by nominal GDP and the 6th largest by purchasing power parity (PPP).