At the summit of the big 'eights' discussed the problem of global climate change. Baikal remains a clean lake. The mouth of the Volga River was among the ten most polluted coastal areas in the world. Birds can save the vanishing African forests. Because of the widespread use of nitrogen fertilizers has increased the number of deaths from diabetes. Scientists have proposed a new system of calculating liability for pollution. Global warming reduces productivity.

Overview of events for the week of 06/07/2009 to 12/07/2009. The mouth of the Volga River was among the ten most polluted coastal areas of the world in the top ten list of most polluted coastal areas hit the mouth of the Volga. Great Russian river made the list a group of scientists from the University of California at Santa Barbara (USA), which has contributed so-called 'hot spots' – the most polluted coastal rivers, which is increasingly affected by human activity on land. The study authors note that most coastal areas suffer from a huge number of different types of industrial and domestic emissions on land. This is particularly evident in the mouths of large rivers, so in them gets a lot of waste from smaller tributaries. At 23 place in the list of coastal areas experiencing the greatest negative impact due to human activities on land located downstream of the Don. A dirtiest on the planet was found the mouth of the Mississippi River. According to scientists at the present time almost all coastal areas of the Earth affected by human activity, as well as on the efforts of the recent global climate change.