Amaechi said he asked GEJ to clean-up the area, but he refused, adding that the former President turned deaf ears to the sufferings of the Ogoni people.
The minister who acknowledged the presence of the Rivers state Governor, Nyesom Wike,also thanked President Buhari for implementing the United Nations Environment Programme (UNEP) report and fulfilling his campaign promise.
Amaechi also said "We did everything possible as a sitting government to make the president implement the UNEP report, everything. But the report was not implemented after all."
President Buhari was expected in Rivers state for the flag=off ceremony, but he cancelled his trip, due to assassination threats, according to reports.
Governor Wike had put security measures in place to ensure that the President's visit was hitch free.
Some Nigerians expressed their disappointment on social media, over Buhari's decision to cancel his visit to Ogoni land.
The Rivers state chapter of the All Progressives Congress (APC) also thanked the President for fulfilling his promise to the Ogoni people.
President Buhari was represented at the flag-off by Vice-President Yemi Osinbajo.
