A Perspective commemorating the 50th anniversary of #EarthDay50 suggests that science alone may not be sufficient to influence societal transitions toward environmental sustainability. In PNAS: http://ow.ly/XbMw50zlhaL pic.twitter.com/RQmTmfJUNa
![](https://bac-lac.wayback.archive-it.org/web/20200424190111im_/https://pbs.twimg.com/media/EWNcPnAXgAIMxiV.jpg)
6:05 AM - 22 Apr 2020
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