This looks like a must read and see:
Photographer James Balog has been capturing vanishing glaciers and ice sheets using time-lapse photography. Recently published a book titled Ice: portraits of vanishing glaciers. It contains some stunning images, including the above “before” shot of the Stein glacier and the below:
There is a an accompanying film showing “undeniable evidence” of global warming:
There is also this clip showing stunning evidence of warming:
For those you claim global warming is the product of flawed computer models, it is near impossible to dismiss the real world evidence.