Proposed update could force dramatic reset for multibillion-dollar clean-electricity market

A proposed revision to clean-energy accounting guidelines you likely didn’t know existed – from a nonprofit you've probably never even heard of – could have far-reaching implications for your investment portfolio. Even if you couldn't care less about sustainability.

Without a legacy clause to grandfather companies' existing clean-energy investments, the proposed guidelines could be jarring for all but a few companies that happen to be heading down the path the proposal would require.

Watch for an update from the nonprofit – Washington, DC-based Greenhouse Gas Protocol – in September. In the meantime, get up to speed with my analysis via Fortune. Read that HERE.