If you ask what are the most obvious planetary health issues of 2021/22 you will, generally speaking, get a list of seven overlapping problems.
Poverty, wealth disparity and health disparity
Third world debt and globalisation
Degradation of the natural environment and biodiversity loss
Climate change and global warming
Food and water shortages and resource depletion
Unemployment and economic migration
Conflict, ethnic tension and refugees

And how many organisations exist to address the problems listed above?
The answer is probably thousands: big and small and mostly publicly funded organisations and charities.
This easy-to-read book discusses what the author considers to be the single, basic cause of each of the seven problems and to identify inherent and long-standing weaknesses in political leadership and key organisations like the UN and the WHO which make solving world health problems an almost impossible task.