evidoria

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This selection at a glance

345
matching practices
14%
strong evidence, of 235 assessed

Evidence mix

Randomised controlled trial 15
Quasi-experimental 18
Observational / pre–post 91
Descriptive / self-reported 111

110 practices not yet assessed for evidence strength.

Most practices in: United States of America (345)

Results

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Good practice Evidence: Observational / pre–post Top 27% 53/100

MWRA Quabbin–Wachusett Watershed Protection Program (USA)

By protecting 75% of the Quabbin, Ware River and Wachusett watersheds as forested open space and buying about 1,500 acres a year, …

Boston, United States of America