WEATHER MODIFICATION OPERATIONS IN CALIFORNIA Zero Geoengineering Posted on September 28, 2017 by Jolie DianeMarch 25, 2020 July 1952 through June 1956 The State Legislature, in July 1951., enacted legislation (Chapter 1677, Statutes of 1951) for the regulation and licensing of artificial weather modification operations in California Link to Document Share this:FacebookTwitterTumblrRedditEmail Related