[7] Dowa Mining was an early developer of Yuzawa, a hot spring town using geothermal energy, in the late 20th century.

[10] Dowa Holdings built a recycling plant in Kosaka which has been operating since 2008, extracting minerals and valuable metals from old electronics parts.

[12] As of 2016, Dowa Holdings possessed the technology for recovering 22 metals, including germanium, ruthenium, gallium, and selenium.

[13] In 2017, Dowa Holdings was involved in recycling efforts by sorting through electronics wastes in search for gold, platinum, palladium, and additional rare metals.

[20] Dowa has six business segments; Environment and Recycling, Smelting & Refining, Electronic Materials, Metal Processing, Heat Treatment, and Other which is real estate leasing, construction, management, and technical support services.

[28] Dowa Eco-System manages waste and recycling in Asia, and runs a plant in Singapore which works to recover precious and nonferrous metals.

[36][37] In 2019, Dowa Holdings and Constantine Metal Resources engaged in a joint venture called the Palmer Project to develop an underground mine in Southeast Alaska.