Eutrophication is the enhanced primary production of marine algae due to excessive supply of nutrients from human activities, independent of the natural productivity level of the sea area in question. The main objectives of this report are to evaluate the causes, state and development of...

Despite the vast amount of water on the planet, decades of unsustainable management mean that water shortages have reached crisis point in many regions. Globally, humans appropriate more than 50 % of all renewable and accessible freshwater, while billions still lack the most basic water services...