Investors with a combined $12.5 trillion in assets could review their stakes in resource companies that use storage dams if they do not release information to assess safety risks.
Informal methods of gold production, known as "artisanal" or small-scale mining, have grown rapidly in recent years as demand for gold has boomed, pushing prices higher.
European lithium projects are making a fresh push for capital, eager to supply the white metal to a burgeoning network of battery manufacturers and electric vehicle makers across the continent, the world's second-largest EV market after China.
In its heyday during the commodities supercycle of the early 2000s, Red Kite managed about $3.5 billion and was responsible for supplying about 15% of the copper China was consuming.
Romania is re-opening mines for rare Earth minerals to lure investments in electric battery plants, joining a Europe-wide initiative that aims for a bigger share of the global market.