Few people still doubt that human emissions are causing long-term climate change, which is predicted to increase storm surges, drought and possibly hurricanes. So there's little doubt that humans influence natural disasters over the long term. But can we also trigger sudden "natural" catastrophes?
The answer is yes. From mud volcanoes to disappearing lakes, human actions can have all sorts of unforeseen environmental consequences.
Here we review five disasters with a human cause. We focus on sudden, short-term events rather than protracted environmental catastrophes.
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http://environment.newscientist.com/article/dn14425-five-ways-to-trigger-a-natural-disaster.html?DCMP=ILC-hmts&nsref=news7_head_dn14425----------------
Yikes. Never heard of that situation with the lake draining like a bathtub :wow: