The Black Sea is known for its severe environmental degradation. Some signs of recovery have been observed in the last years, albeit on a small scale . Scientists believe that it is still possible to limit the negative environmental impact.

Dealing with sludge is one of the biggest issues of waste water treatment.

Natural sensory system such as bacteria engineered to detect pollution and placed in a self-contained portable box could be the most effective way to track pollutants .

ACQWA (Assessing Climate Impacts on the Quantity and quality of WAter) is an ongoing large-scale integrating project with 35 partners, funded under the EU seventh Framework Programme, which began in 2008 and is expected to be concluded by 2013.