Water covers approximately 75 of the Earths surface yet only 3 of it is drinkable; the rest is salt water Of the little that is fresh a staggering 99 is inaccessible buried deep beneath the worlds gla

The methods for solving global water shortages discussed in the text are:

1. Switching to a vegetarian or vegan diet to reduce water consumption in agriculture.
2. Desalination of saltwater to provide a fresh water supply.
3. Cloud seeding to stimulate rainfall.
4. Reducing water consumption in the manufacturing sector through alternative sterilization methods and recycling.

Ranking the methods from most to least effective in dealing with water shortage issues in a specific city's context would depend on the specific circumstances and resources of that city. However, a possible ranking could be:

1. Switching to a vegetarian or vegan diet: This method has the potential to significantly reduce water consumption in agriculture, which is the largest consumer of fresh water. It can be implemented relatively easily on an individual level and can have a direct impact on water scarcity.
2. Reducing water consumption in the manufacturing sector: By implementing alternative sterilization methods and increasing recycling, the industrial water footprint can be reduced. This can have a significant impact on water consumption, especially in areas with a large manufacturing sector.
3. Desalination: While desalination provides a viable solution for areas with access to saltwater, it is an energy-intensive process and can be expensive. It may not be feasible in all areas and may have limitations in terms of scalability.
4. Cloud seeding: While cloud seeding has the potential to increase rainfall, its effectiveness is still being researched and debated. It is not a reliable method for addressing water shortages, particularly during periods of drought or in areas with limited cloud cover.

It's important to note that the effectiveness of these methods can vary depending on the specific context and resources of a city. Different regions may prioritize different methods based on their unique circumstances.