The £1.4bn (€2.1bn) active pension fund of the UK government's Environment Agency, which is entirely managed according to a socially responsible investment strategy, beat market benchmarks by 0.8% during the year to March 31.

The fund returned 22.8% over the year, helped by outperformance of 3.1% in UK equities run by Standard Life Investments; and 9.5% in socially responsible active global equities run by Sarasin Chiswell.