Mining cryptocurrency is a notoriously energy-intensive endeavor. In recent years, that issue has increasingly popped up on the radars of climate and environmental groups. It’s not being lost on investors, either. Crypto miners, including those residing in exchange traded funds such as the CoinShares Valkyrie Bitcoin Miners ETF (WGMI), may do well to speed their embrace of renewable energy. Some digital currency miners, including some residing in WGMI, have already moved to boost adoption of clean energy sources. That’s a smart move, because the court of public opinion is increasingly scrutinizing the industry’s ... (full story)