Harvard, UMaine study challenges assumptions about ‘natural’ lead levels – Mayewski et al.

A new analysis of highly detailed ice core data and historical records shows that human-made lead air pollution has been elevated for approximately the last 2,000 years, except for a four-year period during a devastating pandemic in Europe that halted lead mining. The findings have significant implications for current public health and environmental policy that, read more Harvard, UMaine study challenges assumptions about ‘natural’ lead levels – Mayewski et al.