In a two-period overlapping generations model with production, we consider the damaging impact of environmental degradation on health and, consequently, life expectancy. The government’s involvement on policies of environmental preservation proves crucial for both the economy’s short-term dynamics and its long-term prospects. Particularly, an active policy of pollution abatement emerges as an important engine of long-run economic growth. Furthermore, by eliminating the occurrence of limit cycles, pollution abatement is also a powerful source of stabilisation.