Mokoena's comments came as Greenpeace Africa called on the South African government to review its decision to include nuclear energy into the country's energy plan.

　　In order to avoid all energy crisis in the country，the_energy_mix_had_to_be_diversified，including broadening energy carriers to include gas，nuclear，biomass，renewable(wind，solar and hydro)，as well as the efficient use of the existing resources，such as coal.

　　For this reason，nuclear energy will account for 23 percent of South Africa's energy needs，followed by coal at 15 percent，hydro at six percent，gas six percent，turbines six percent and renewable energy 42 percent.

　　However，Pule said there are other options for South Africa's energy needs.

　　“Too many companies are focusing on the costs of green policies，rather than focusing on the long－term benefits，”explained Mokoena.

　　Nobel economics winner Joseph Stiglitz and the former World Bank chief economist agree with Mokoena and believe that the need to switch to green technology should be seen as an opportunity and not as a burden.

　　When in South Africa earlier this year，Stiglitz said a switch to green technology would stimulate demand for a range of goods and services，which would have a beneficial impact on the aftermath of the global recession.

　　He urged policymakers not to be held back by short－term perspectives.

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