Nuns taught us this in the 1960s

http://newsbusters.org/blogs/julia-seymour/2015/03/05/and-thats-way-it-was-1972-cronkite-warned-new-ice-age

http://newyork.cbslocal.com/2015/03/05/plane-skids-off-runway-at-laguardia-airport/