Dass mehr als um die Antarktis erreicht im September seine größte Ausdehnung. Die von Eis bedeckte Fläche dort war nie so gering wie in diesem September. Im Vergleich zu der Periode zwischen 1981 und 2010 ging sie etwa um die Fläche von Alaska zurück. Diese Entwicklung ist auch deshalb beunruhigend, weil sie erst 2016 einsetzte und das antarktische Meereis offenbar insgesamt in einen anderen Zustand geraten ist. https://www.nytimes.com/2023/10/04/climate/antarctic-sea-ice-record-low.html

Studie: https://www.nature.com/articles/s43247-023-00961-9

Infografik: https://static01.nytimes.com/newsgraphics/2023-10-03-antarctica-sea-ice-update/99fb25d0-943d-43a5-9fe3-86257558db32/_assets/antarctic-sea-ice-chart-335.png

Millman • •, Jennifer. ‘NY Pre-Christmas COVID Testing Delivers Record Total Just Shy of 50,000 Cases in Single Day’. NBC New York (blog). Accessed 3 January 2022. https://www.nbcnewyork.com/news/coronavirus/ny-pre-christmas-covid-testing-delivers-record-total-just-shy-of-50000-cases-in-single-day/3468284/.

Jeffrey-Wilensky, Jaclyn, and Caroline Lewis. ‘NY Nursing Homes See Overnight Surge In Employee COVID Vaccinations Thanks To State Mandate’. Gothamist, 1 October 2021. https://gothamist.com.

Jonathan Robinson on Twitter. (n.d.). Twitter. Retrieved 6 September 2021, from https://twitter.com/jon_m_rob/status/1431734411335176199

Rafael Irizarry. (2021, August 8). Vaccines work in a gif update: COVID19 cases versus vaccination rates in US states through time. The Delta variant effect can be seen clearly starting in July. States with lower vaccination rates are affected much worse. Https://t.co/e0SQpa8Qg0 [Tweet]. @rafalab. https://twitter.com/rafalab/status/1424440520361787392

Conor Kelly. (2021, July 14). Correlation between vaccination coverage and COVID hospitalizations per million over time, by state https://t.co/g6AMTDXOzb [Tweet]. @CohoKelly. https://twitter.com/CohoKelly/status/1415310919266095113

Calgary, Open. ‘COVID-19 Case Surveillance Public Use Data with Geography | Data | Centers for Disease Control and Prevention’. Accessed 26 March 2021. https://data.cdc.gov/Case-Surveillance/COVID-19-Case-Surveillance-Public-Use-Data-with-Ge/n8mc-b4w4.

Goolsbee, Austan, and Chad Syverson. ‘Fear, Lockdown, and Diversion: Comparing Drivers of Pandemic Economic Decline 2020’. Journal of Public Economics 193 (1 January 2021): 104311. https://doi.org/10.1016/j.jpubeco.2020.104311.

Holtz, D., Zhao, M., Benzell, S. G., Cao, C. Y., Rahimian, M. A., Yang, J., Allen, J., Collis, A., Moehring, A., Sowrirajan, T., Ghosh, D., Zhang, Y., Dhillon, P. S., Nicolaides, C., Eckles, D., & Aral, S. (2020). Interdependence and the cost of uncoordinated responses to COVID-19. Proceedings of the National Academy of Sciences, 117(33), 19837–19843. https://doi.org/10.1073/pnas.2009522117

Cronin, C. J., & Evans, W. N. (2020). Private Precaution and Public Restrictions: What Drives Social Distancing and Industry Foot Traffic in the COVID-19 Era? (Working Paper No. 27531; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27531

Friedson, A. I., McNichols, D., Sabia, J. J., & Dave, D. (2020). Did California’s Shelter-in-Place Order Work? Early Coronavirus-Related Public Health Effects (Working Paper No. 26992; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w26992

Cotti, C. D., Engelhardt, B., Foster, J., Nesson, E. T., & Niekamp, P. S. (2020). The Relationship between In-Person Voting and COVID-19: Evidence from the Wisconsin Primary (Working Paper No. 27187; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27187

Dave, D. M., Friedson, A. I., Matsuzawa, K., & Sabia, J. J. (2020). When Do Shelter-in-Place Orders Fight COVID-19 Best? Policy Heterogeneity Across States and Adoption Time (Working Paper No. 27091; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27091

Goldman, D. S. (2020). Initial Observations of Psychological and Behavioral Effects of COVID-19 in the United States, Using Google Trends Data. https://doi.org/10.31235/osf.io/jecqp

Haman, M. (2020). The use of Twitter by state leaders and its impact on the public during the COVID-19 pandemic. https://doi.org/10.31235/osf.io/u4maf

The COVID Tracking Project - Twitter

What U.S. States Are Ready To Test & Trace? (n.d.). #TestAndTrace: The Best Contact Tracing Resource. Retrieved May 12, 2020, from https://testandtrace.com/state-data/

Apr 21, P., & 2020. (2020, April 21). State Data and Policy Actions to Address Coronavirus. The Henry J. Kaiser Family Foundation. https://www.kff.org/health-costs/issue-brief/state-data-and-policy-actions-to-address-coronavirus/