Acid rain, not climate change, was the chief environmental concern of the era. Acidity caused by such things as burning waste products and fossil fuels, was raising the pH levels of streams and lakes, although industry and others which relied on burning stuff resisted calls for change.
The cartoon riffs on a slogan in a long-running TV ad about a masochistic tuna fish. The problem, of course, is that there are not now, nor have there ever been, tuna in Wisconsin's lakes and streams.
Italian Carabinieri arrested the hijackers after friction between American and Italian authorities over which country had jurisdiction over Air Station Sigonella. Italy released all but four of the terrorists, releasing the hijackers' leader, Muhammad Zaidan, a.k.a. Abu Abbas, over U.S. protests. Egypt, for its part, demanded that the U.S. apologize for forcing its airplane off course. Zaidan/Abbas remained a free man until U.S. forces captured him in Iraq in 2003, where he died in custody.
a cartoon or two from October, 1985, in previous fits of nostalgia, so I'll wrap up with this one on a topic that never goes out of style. 1985 was when Tipper Gore founded the Parents' Music Resource Center and pushed for those explicit lyrics warnings that used to be pasted onto the covers of music, back when music didn't come to you by downloading it off the internet (which, as you know, was invented by her then husband, Tennessee Senator Al, Jr., which must have figured in their divorce some way or another).
"Why can't they be like we were: perfect in every way? What's the matter with kids today?" -- Bye Bye Birdie, 1963