Original: While the preparation of the assessment reports is a major IPCC function , it also supports other activities , such as the Data Distribution CentreWelcome to the IPCC Data Distribution Centre and the National Greenhouse Gas Inventories Programme , IPCC - National Greenhouse Gas Inventories Programme required under the UNFCCC .
Simplified: The IPCC also supports other activities , such as the Data Distribution Centre [ ] and the National Greenhouse Gas Inventories Programme [ ] .