During Maharaja Ranjit Singh's time, people likely practised sustainable farming by using traditional methods that worked with nature.

The construction of canals for agriculture also suggests careful water management.

Besides, it's reasonable to think that communities relied on forests and natural resources responsibly.

There is only limited information about this subject on his matter.

<strong><em>People probably lived in a way that balanced their needs with taking care of the environment, even if they didn't use the term "environmental sustainability" back then.</em></strong>