"Life expectancy continues to grow in the U.S. -- today around 76 years for men and 81 years for women.... Considering that employee and employer contributions to pension plans start for many in their twenties, this money will have to earn returns for 40 years in order to fund a 15-year retirement. We're talking a portfolio that will exist for a half a century. Thus, a long-term view that takes account of ESG factors in order to produce high and sustainable returns is essential."