The solids-handling capacity of the slurry pumps is the top priority for the engineers. Operators dislike pumps with narrow passages because they often clog, disrupting operations. EDDY Pump’s ...

The United States Court of Appeals for the Ninth Circuit (“Ninth Circuit”) in a November 20th Opinion addressed an issue involving the applicability of the Section 402 Clean Water Act National ...

Sen. Guy Palumbo (D-Maltby) has worked on several sustainability-focused bills this year as vice chair of the Environment, Energy and Technology committee, including clean fuels, solar power, electric ...

A long-simmering conflict over individual versus public rights has converged on the banks of the rivers of southwest Oregon, stirring resentment between gold miners and environmentalists. In question ...

A bill that aims to improve water quality and protections for endangered salmon by restricting suction dredge mining met with the Senate’s approval Thursday. The bill, HB 1261, would prohibit suction ...

OLYMPIA, Wash.— Conservation groups filed a notice of intent today to sue the state of Washington for allowing highly destructive suction dredge mining in rivers and streams critical to endangered ...

Federal law allows Oregon’s ban on suction dredge gold mining in rivers where salmon spawn, according to a Ninth Circuit ruling on Wednesday against a group of miners who challenged the restrictions. ...

Liberia has introduced a permit for gold and diamond dredging, lifting a ban on the mining method associated with pollution. Meanwhile, that is exactly the opposite of what has been done in Ghana, ...