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Many landfills and retention ponds used to store fly ash are aging, having been designed and constructed as far back as the 1950s using unsophisticated and less rigorous methods than those used today.
A casual phone conversation with his brother led engineer Jeremiah Jackson to develop an innovative arsenic filtration system that could improve the lives of people affected by arsenic-contaminated drinking water.
Permitting and siting hurdles as well as activist groups have delayed several energy projects, says the U.S. Chamber of Commerce.
Colorado's health department awarded $3.1 million to nine groups to boost environmental justice and health in underserved communities.
