SAP Environmental Compliance 3.0 was historically used to manage the emission and environmental compliance (EC) requirements. However SAP recently released Environmental Management (EM) module as part of EHS management within ECC - Component Extensions and also as part of S4HANA releases. I happened to work very closely with Environmental Compliance 2.0 / 3.0 and have previously set up proof of concept system for Environmental Management as well.
SAP EHSM Environmental Management
Recently Greenhouse Gas emissions account to major concern owning its beings a potential cause of Global warning. There are various sources / sinks for GHG emissions be it due to use of energy consumption or practices of agriculture methods or other anthropogenic sources.