When CSR first became a buzzword in the 1970s, few companies mentioned their initiatives, most likely out of fear of appearing opportunistic to cynics. Those days seem quaint today.

Given companies' increasing communications efforts around all CSR issues, it was an inevitability that they would be more receptive to discussing today's green issues, like energy efficiency, carbon offsets, eco-friendly operational processes, and sustainable products. The trend is somewhat driven by the media, but it can mostly be traced to consumers' growing ...