City Nature Challenge
Results

Year
Cities participating
Total observations
Total species
Total participants
Results page
2016
2
19,742
3,152
1,018
-
2017
16
Over 125,000
8,600
Over 4,000
-
2018
68
442,518
Over 18,000
17,329
-

Question: How did City Nature Challenge perform in terms of expansion during the year 2017?
Answer: In 2017, City Nature Challenge expanded to 16 cities and the participants collected over 125,000 observations.