The california multi year drought? That's not global warming, that's the normal behavior of that area. The author also ignored that it broke with a massive 173% snowpack this year.
http://www.latimes.com/local/lanow/la-me-ln-snow-deficit-study-california-drought-20170131-story.html
http://civileats.com/2014/02/05/a-history-of-drought-in-california-learning-from-the-past-looking-to-the-future/
superstorm sandy was a hurricane that took an unusual path. Not climate change.
http://blogs.agu.org/geospace/2013/06/03/hurricane-sandy-took-highly-unusual-path-but-climate-change-doesnt-get-the-blame-yet/
Bangladesh has always had flooding, and always will do to it's lack of elevation. 6 major floods in 1842, 1858, 1871, 1875, 1885 and 1892 for example.
https://en.wikipedia.org/wiki/Floods_in_Bangladesh
And guess what JG, this only took me a few minutes of effort.
So yes, you can argue this article.