Original sentence: In the SRES scenarios for GHG there were many variations included and all were treated as equally probable.Non Governmental and Intergovernmental Organisations are welcome to attend as observers.Plenary sessions of the IPCC and IPCC Working Groups are held at the level of government representatives.Sessions of the IPCC Bureau, workshops, expert and lead authors meetings are by invitation only
Edited sentence: After the opening ceremonies, plenary sessions are closed meetings.Another means of handling consensus problems was used in the SRES scenarios, where due to a lack of consensus there were many variations included and all were treated as equally probable.On the other hand, not requiring Panel re-endorsement of Reports has also been criticized, after changes required by the approval process were made to Reports.Plenary sessions are poorly documented and reported attendance at the 2003 meeting was described as 350 government officials and climate change experts.The Panel's approval process has been criticized for changing the product of the experts who create the Reports.The general approach of identifying consensus among a group of climate scientists means that areas where there remains considerable uncertainty tend to be automatically deemphasized or simply omitted