Greenhouse Gas Emission Standards Released Seventy-five companies, cities, states, and non-profits have joined the Climate Registry to make their greenhouse gas emissions public. Members of the Climate Registry now have the tools and rules to make that reporting possible. Last week the Climate Registry launched “The General Reporting Protocol” to enable the reporting and verification of greenhouse gas emissions. Greenhouse gases released from companies operating in the North America that must be reported according to the new Protocol include carbon dioxide, methane, nitrous oxide, hydro fluorocarbons, perfluorocarbons and sulfur hexafluoride. Reporting emissions will help companies and organizations manage carbon risks and be better prepared to take part in carbon trading markets.