Most people are aware of the major incidents that have happened in the last years-ones with grave environmental consequences and worker fatalities. The Deepwater Horizon oil rig catastrophe is just one prominent example. Despite these major incidents that receive a lot of publicity, incident numbers in general are much diminished, but it also seems that on this diminished level, they have reached a kind of low barrier that industries cannot drop below. Safety regulations and safety management have decreased the number of workplace safety and environmental incidents in many industries, and personal protective equipment and safety measures have reduced the impact of accidents. As a result, there are fewer accidents, less-serious incidents and fewer fatalities. However, incidents and accidents happen, and people still are hurt or killed in workplace accidents. So why do these incidents happen, though more and more companies strive for a zero-accident environment?
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