S
Stephen Polasky
Researcher at University of Minnesota
Publications - 367
Citations - 69362
Stephen Polasky is an academic researcher from University of Minnesota. The author has contributed to research in topics: Ecosystem services & Biodiversity. The author has an hindex of 99, co-authored 354 publications receiving 59148 citations. Previous affiliations of Stephen Polasky include Boston College & Royal Swedish Academy of Sciences.
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Journal ArticleDOI
Agricultural sustainability and intensive production practices
David Tilman,Kenneth G. Cassman,Pamela A. Matson,Pamela A. Matson,Rosamond L. Naylor,Stephen Polasky +5 more
TL;DR: A doubling in global food demand projected for the next 50 years poses huge challenges for the sustainability both of food production and of terrestrial and aquatic ecosystems and the services they provide to society.
Journal ArticleDOI
Solutions for a cultivated planet
Jonathan A. Foley,Navin Ramankutty,Kate A. Brauman,E. S. Cassidy,James S. Gerber,M. Johnston,Nathaniel D. Mueller,Christine S. O’Connell,Deepak K. Ray,Paul C. West,Christian Balzer,Elena M. Bennett,Stephen R. Carpenter,Jason Hill,Chad Monfreda,Stephen Polasky,Johan Rockström,John Sheehan,Stefan Siebert,David Tilman,David P. M. Zaks +20 more
TL;DR: It is shown that tremendous progress could be made by halting agricultural expansion, closing ‘yield gaps’ on underperforming lands, increasing cropping efficiency, shifting diets and reducing waste, which could double food production while greatly reducing the environmental impacts of agriculture.
Journal ArticleDOI
Land Clearing and the Biofuel Carbon Debt
TL;DR: Converting rainforests, peatlands, savannas, or grasslands to produce food crop–based biofuels in Brazil, Southeast Asia, and the United States creates a “biofuel carbon debt” by releasing 17 to 420 times more CO2 than the annual greenhouse gas reductions that these biofuel reductions would provide by displacing fossil fuels.
Journal ArticleDOI
Measuring Biological Diversity
Andrew R. Solow,Stephen Polasky +1 more
TL;DR: In this article, a measure called the effective number of species is developed from a nonparametric probability inequality and is shown to have a simple interpretation in terms of comparing linear experiments.
Journal ArticleDOI
Environmental, economic, and energetic costs and benefits of biodiesel and ethanol biofuels
TL;DR: Transportation biofuels such as synfuel hydrocarbons or cellulosic ethanol, if produced from low-input biomass grown on agriculturally marginal land or from waste biomass, could provide much greater supplies and environmental benefits than food-basedBiofuels.