Introduction
SUMMARY
1. Introduction
Why do we talk about phosphorus ?
How was phosphorus discovered?
What is phosphorus ?
Where is phosphorus ?
Why and how humans use phosphorus ?
2. Phosphorus cycle
The cycle
3. Anthropogenic phosphorus input
Why phosphorus became toxic ?
Why is it important ?
Current phosphorus dependency
Prospective of phosphorus demand
A new war on phosphorus ?
How can we ensure the safety of phosphate supplies?
Sustainable management of phosphorus