The bar graph illustrates people's awareness about Global warming.

You will notice that 90% believe global warming is being caused by humans. While 76% have a believe with trust climate scientists. On the other hand 70% believe is very real, whereas carbon dioxide that is emitted by man sources contributes 1%.

In the end, it can be concluded that maximum  awareness caused by humans and the minimum awareness represent carbon dioxide.

The pie chart shows the percentage of annual  greenhouse emissions by different sector.

You can see that the trend in power stations rise 21.3% followed by industrial processes contribute 16.8%.While emissions by transportation fuels contribute 14%.and  transportation fuels 12.5%.

Also you can see that Agricultural and fuel retrieval almost equal percentage as well as biomass burning and residential, commercial roughly equal. Whilst waste disposal contribute 4.3% of the total emissions.

Overall amongst the eight sectors, the power stations make up the largest emissions, followed by waste disposal representing the lowest.

Kath Walker-Timeline / Turning points / Achievements

1920-She was born in 1920. 1933 - She left school 1941 - She joined the Australian Women's Army service. 1958 - She joined the Queensland council for the advancement of Aborigines and Torres Strait Islanders. 1960 - She attended the FCAA annual conferences. 1962 - She became the first Queensland state secretary and she read her Aboriginal Charter of Rights. 1964 - She had become the first Aboriginal poet to see her work published.It was reprinted six times. 1968 - She attended a world council of churches consultation on racism in London. 1970 - She supported the Pittock amendments to the FCAAT 1970s- She returned to her Stradbroke Island. 1974 - She survived a hijacking in Dubai of airliner on which she was travelling. 1983 - She appointed to the Aboriginal Arts Board of the Federal Government Australia Council. 1987 - She changed her name to Oodgeroo Noonuccal. 1993 - She died aged 72 year. Turning points -She joined the Australian Women's Army Service,was a positive experience for her,she was accepted without prejudice and learned new skills. -She joined the communist party of Australia at a time when it was the only party that was vocal in its opposition to racial discrimination. - She was political philosophy changed when she attended a world council of churches consultation on racism in London. - She remained politically active, she returned to her beloved Stradbroke Island were art and education. - She changed her name to Oodgeroo Noonuccal. -She was appointed to the Aboriginal Arts Board of the Federal Government Australia Council. Achievements - She established Moongalba as a cultural and educational centre. - She worked for a treaty between Black and White Australians. - Her first collection of poems was reprinted six times over the next twelve months.

Fred Hollows-Turning Points & Achievements

Turning Points -Holiday job in mental hospital:change to psychology, then medicine. -Met first wife Mary, came to Australia. -Took ophthalmology job in Australia. -frank Hardy's talk influenced investigation into Aboriginals' eye disease. -A researcher at a party invited him to take medical team to treat eye problems of aboriginal people. -On 1975 Fred's first wife, Mary died and in 1980 he married Gabi. Achievements -In 1965 he was head of the Eye Department at a Sydney hospital. -He helped set up the first Aboriginal Medical Service. -He helped launch a national program to attack eye disease in Aboriginal Australians. -He treated 30,000 people,performed a thousand operations and prescribed more than 10,000 pairs of glasses. - He helped Eritreans to build their own eye lens factory.He asked Australians to support his dream. they donated more than 6 million dollars. -Human Rights Medal for his work in third world countries.

Nelson Mandela- Turning points &Achievements

Turning points -Whilst at university Nelson Mandela because increasingly aware of the unjust nature of South African The majority of Black South Africans had little opportunities either economic or politics. -Expelled from Fort Hare for organising a student strike. -Mandela had to resign from the ANC and work underground. -In 50s there was an extremely lengthy Treason Trial in which Mandela and several others were charged with treason. -However in 1960 the sharpeville massacre of 63 black African's changed the whole political climate. -However in 1962 Mandela had been arrested and sentenced to life imprisonment. Although negotiations were painfully slow and difficult, they eventually led to Mandela's release in 1990. -Mandela recently lost his eldest son to this disease and Mandela has worked hard to campaign on this issue. Achievements -Mandela was able to finish his degree and qualified. -In 1952 Mandela and Tambo opened the first Black Law firm in South Africa. -In 1944 helped found the ANC Youth League, whose Programme of Action was adopted by the ANC. -Conducting their own defence they eventually proved to be victorious. -However on 10 May 1994 Nelson Mandela was inaugurated as the first democratically elected state President of South Africa. -His advocacy of reconciliation led to international acclaim and importantly the trust of the White African population. -He is one of the few politicians who have gone beyond a political role; he is widely admired and has received many prestigious awards. -In 1993 he was awarded the Nobel Peace Prize.

Fred Hollows- Timeline

1929 - he was born in New Zealand.
1965 - he took up the position of Associate professor of ophthalmology NSW.
1975 - he set up the National Trachoma and Eye Health Program (NTHEP).
1988 - he diagnosed with cancer/ he raised money to build intraocular lens manufacturing lab.
1990 - he was awarded for treating curable blindness in many third world countries.
1991 - he visited Vietnam and Nepal, helped around 30,000 people.
1992 - he has been setting up eye health clinics in some of the world's poorest countries.
1993 - he died in his Sydney home with cancer.
1994 -  Laboratory opened in Eritrea and laboratory and Surgical Eye Centre opened in Nepal.

Nelson Mandela- Time line

1918 - Mandela was born in Qunu, near Umtata-South Africa
1952 - Mandela opened the first black law firm in South Africa
1944 - Mandela helped to found the ANC  youth league
1952 - pushed ANC for more direct action
1962 - Mandela was arrested and sentenced to life imprison
1990 - Mandela was released from prison
1993 - He was awarded the Nobel Peace Prize
1994 - He was elected president of South Africa
1999 - Mandela was no longer president of South Africa
2013 - Mandela died at his home