@article{schwartz2019visitors,
  title={Visitors to urban greenspace have higher sentiment and lower negativity on Twitter},
  author={Aaron Schwartz and Peter Sheridan Dodds and Jarlath O'Neil-Dunne and Chris Danforth and Taylor Ricketts},
  journal={People and Nature},
  arXiv={1807.07982},
  journalpage={https://besjournals.onlinelibrary.wiley.com/doi/full/10.1002/pan3.10045},
  year={2019},
  citations={}
}