Here is a coverage in the media:
https://www.theguardian.com/environment/city-bees-allotments-gardens-help-arrest-decline-study
& Apr 23, 2019:
To Nurture Nature, Neglect Your Lawn
By Margaret Renkl in The New York Times. “Why poison the earth when you can have wildflowers at your feet and songbirds in your trees without even trying?”