Do you need some ice for your drink?

Here is a very interesting article from the Toronto Star speaking about new age building designs and the potential hazards that are created from ice and snow build up on the exterior. 

When the this ice and snow eventually give way to gravity, it is coming crashing down to the streets below.  We do wind analysis, sun/shadow studies, line of sight studies and wind/snow load calculations; so do we need to now do winter melt-down analysis?

Toronto Star: More ice risk seen from new building towers