In July 1989 the next Federal election was less than a year away. The 1987 one had gone Labor’s way thanks to lots of green ‘preferences.’ Which had nothing to do with 1989 Hawke announcement
Our country our future : statement on the environment
While the document does mention climate, Hawke did not in his speech,, which irked the environmentalists (see Richardson’s ‘Whatever it takes’)
Also on this day
Apollo program: Apollo 11‘s crew successfully makes the first landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon later that day (Eastern Time Zone).