Secondly, the broader universe of pension funds may also be interested in these investments not so much because they are green, but because they provide an attractive return (whether environmental issues should be a considered within mainstream risk assessments by institutional investors is a topic beyond the scope of this paper). Pension funds are looking for long-dated assets with inflation protection, a steady yield and which have a low correction to the rest of their portfolio. This is particularly the case where investment or solvency regulations force funds into conservative assets which match their liabilities. If sizable.