Unisuper's chief investment officer, John Pearce, says he is wary of the renewable energy investment boom and will be targeting other low carbon investments as he steers the fund towards a net zero portfolio.

Mr Pearce said he needs no convincing that the world must, and will, decarbonise. The $90 billion super fund he manages on behalf of Australia's university employees has become a vocal and active promoter of low carbon investment.