Ensure public goods to the poor

The State, from the Constitution

More scarce: public systems

The relation between State and society

Can access to safe drinking water be achieved without access to basic sanitation?

The ability of many introduced fish species to thrive in degraded aquatic habitats and their potential to impact on aquatic ecosystem structure and function suggest that introduced fish may represent both a symptom and a cause of decline in river health and the integrity of native aquatic communities.

Humans continue to consume natural resources at a destructive pace