All of the above quotations, and many more, can be found in a wonderful new booklet by R. Warren Anderson and Dan Gainor of the Business & Media Institute, a division of the Media Research Center in Alexandria, Va. (Full disclosure: I am the avuncular and largely indolent board chairman of the latter.) Entitled "Fire and Ice," it quotes alarmist predictions of both global warming and a new ice age dating back to 1895. The authors identify no less than four swings of scientific opinion, with considerable overlapping, from global cooling (1895-1932) to global warming (1929-1969) to global cooling (1954-1976) and now back to global warming (1981 to the present). The booklet can also be read for its sheer entertainment value. (I particularly liked the anecdote about the penguin found in France in 1922, which was widely viewed as an "ice-age harbinger," though wiser heads concluded it had probably escaped from the ship of Antarctic explorer Sir Ernest Shackleton.)
The booklet notes sensibly that "Most scientists do agree that the earth has warmed a little more than a degree in the last 100 years. That doesn't mean scientists concur that mankind is to blame. Even if that were the case, the impact of warming is unclear." And in its wisest paragraph it concludes, "This isn't a question of science. It's a question of whether Americans can trust what the media tell them about science."
But if you're looking for a new career, here's a hint: "Global warming is a good business to be in for government funding. More than 99.5 percent of American climate change funding comes from the government, which spends $4 billion per year on climate change research."