The pie chart shows the percentage of annual greenhouse emissions by different sectors.The maximum of carbon emission is made by power stations while the waste disposal and treatment contributes less percentage. 

1953 born
1964 when she was removed from her mother
1974 She had become a professional actress
1976 Saunders first came to prominence in Number
1987 She gave in the establishment of the Black Theatre and the setting up of the Aboriginal National Theatre Trust
1991 She was awarded an order of Australia Medal for services to the performing arts and to the National Aboriginal Theatre
2000 She gained wider national prominence
2004 Her last role
2007 Died

1929 Born in New Zealand
1960 Fred got a job in Australia
1965 He was head of the Eye Department at a Sydney
1970 He helped launch a national programe to attack eye disease in Aboriginal Australians
1980 Fred was travelling all over the world to help set up eye health programs in developing countries
1989 Fred Hollows knew he wouldn't live to see all his ideas happen
1993 Died at home

1918-born at Qunu, South Africa
1944-Mondela helped found the ANC Youth League
1952-Mandela and tombo opened the first Black Law firm in South Africa , Mondela was instumental in pushing the ANC into more direct action
1962-Mondela was arrested and sentenced to life in the notorious Robben IsIand Prison
1990-Released from prison
1993-Mondela was awarded the Nobel Peace Prize jointly with F.w.De Klerk
1994-Mondela elected state president of South Africa
1999-He was not longer President
2013-Died at his home