At least two regulatory mechanisms are in place as of January 2010 in the U.S.
* Applies to all facilities emitting more than 25K tons CO2e (similar to Australia).
And EPA has an “electronic system” for reporting:
One implication of the EPA rule, according to Pace, is that
Spreadsheet-based reporting will no longer be adequate: Many organizations currently track carbon and sustainability data within Excel-based spreadsheets managed by internal resources. EPA will not accept these files for annual GHG inventory reports. Rather, reporters will need to transmit GHG inventory reports, supporting data, and unit and facility information electronically via an XML format. Alternatively, reporters can manually enter completed inventory records into the EPA system, but this approach will result in duplicative efforts and is prone to error.
The Securities and Exchange Commission today voted to provide public companies with interpretive guidance on existing SEC disclosure requirements as they apply to business or legal developments relating to the issue of climate change.