@article{liu2015systems,
  title={Systems integration for global sustainability},
  author={Liu, Jianguo and Mooney, Harold and Hull, Vanessa and Davis, Steven J and Gaskell, Joanne and Hertel, Thomas and Lubchenco, Jane and Seto, Karen C and Gleick, Peter and Kremen, Claire and others},
  journal={Science},
  volume={347},
  number={6225},
  pages={1258832},
  year={2015},
  publisher={American Association for the Advancement of Science}
}