Between 1997 and 2014, US corn, soybean and cotton production almost fully converted to genetically modified crops. Starting around 2007, improved tight oil and shale gas technologies turned the declining US fossil fuel production into a booming industry. We study the effects of these two...

Introduction -- Index system, method, and application of natural resources evaluation -- Efficiency evaluation of energy and resource utilization at the regional level in China -- Spatial differences in water–energy system coupling relationship -- Study on the economic effects of efficient...