Golden Minerals stock plummets as it raises $4.2m through public offering
The offering comes six months after the company said it would need to raise enough cash to restart mining operations at its Velardeña properties in Mexico.
Researchers' findings could provide an efficient way to protect crops grown in polluted areas and remediate mercury-laden waterways, such as those close to gold mining operations.
A European fund tied to Gates’ Breakthrough Energy Ventures invested $12 million in the I-ROX pulsed-power venture with Robert Friedland’s I-Pulse Inc.
A report by the Environmental Integrity Project and Earthjustice found that 96% of the 265 power plants that are contaminating groundwater in the US are not proposing any treatment plan.