More investors are putting pressure on companies over climate change, and the trend is likely to escalate.

The latest analysis from the RiskMetrics Group which shows more shareholder resolutions are being put up asking companies to produce greenhouse gas emission reports. Average support for social and environmental proposals so far this year is 14.7 percent. It's worth noting that support above 20 percent is considered significant and around 30 percent of vote results so far this year have exceeded that level.

Investor-sponsored resolutions seeking concrete goals for reducing carbon emissions won 21.8 percent support over six meetings this year, compared with 20.7 percent support in 2007. And three companies, El Paso, Ford Motor, and Williams, agreed to enumerate emissions reduction goals. More resolutions were voted this year than last, when four proposals went to a vote and two were withdrawn. Also, there were more proposals seeking greenhouse gas emissions reports on corporate ballots this season. Investors, including pension funds, are also urging the Securities and Exchange Commission to issue formal guidance to companies on the disclosure of "material" climate-related risks.

This is just the beginning. Watch this space.