
The Global “City Nature Challenge”
By Jason G. Goldman When Lila Higgins first had the idea to pit Los Angeles against San Francisco in a race to see which city could generate the most biodiversity data in just eight days, she had no idea it would spawn a global movement. The year was 2016, and the Obama White House had declared April 16 of that year as "Citizen Science Day." Higgins, the Senior Director of...








