Well right now there are issues such as unemployment, government corruption, crime, access of clean water, and energy shortages.
In the future there could be issues such as lack of better healthcare treatments and equipment and better education.
Two ways in which the proximity to water has affected Western Europe's economy:
1) Proximity of water can lead to lack of food, which affects economy of the country in various ways.
2) It has wet cool summers and wet, mild winters, so for shelters and cloths, it affects economy by transportation, extra manufacture etc.
Hope this helps!
Characteristics of a rejuvenated river include water that flows rapidly with sloping sides that create steep cuts on the valley floor.