The production of waste throughout the world is often related to the importance of the human populations in the areas, their concentrations or dispersions like their activities. However their management is dependent on the degree of civilisation and instruction of the people. The rural center of Walungu has said "Walungu Center" knows a demographic explosion without preceding for one decade busy by 1064habitants in 2006 to 2000 individuals in 2014 on only 4Km2. This demographic boom which attracts the curiosity of more than one person is particularly related to a positive migratory balance (40.6% emigration and 59.4% immigration), consequence of the massive escapes of the populations in prey of insecurity in the peripheral villages (bands armed), a high birth rate (55%0: Third world) but also attracted by the medical infrastructures (General hospital of Walungu, EFSKI), school (five secondary schools of reputation and the Teaching Institute of higher learning of Walungu, ISP/Walungu), administrative (chief town of the territory), usual E, sedentary (camps of the Mission of the Organization of the United Nations for Maintains Security in Congo, MONUSCO as well as the presence of the Armed forces of the Democratic republic of Congo, FARDC) and commercial (market power station of Mudwanga). This center which, today appears like a city, knows inter alia problems waste and their management. Indeed, it is observed in this center of waste of various origins (domestic: 85%, schools, market, church, hospital: 12% and of the camp of the MONUSCO: 3%) and of various nature (organic: 75% and inorganic: 25%) The latter are badly managed however their good management would constitute more advantages than of disadvantages being given their natures: 75% organics and of domestic origin, not of industries which would produce toxic wastes except the MONUSCO.
Although the near total of this waste is used as fertilizers (58%), the latter involve not bad environmental and consequently socio-medical problems: air pollution (breathing), of water and the tablecloths (hydrous diseases), of the ground (cultures)… to which the local populations assist powerlessly.

The shaking of the earth's crust at any point causes vibrations that are transmitted across the globe. This movement has the effect of inducing in the soil and in the works of rapidly varying inertial forces over time. Its action is exerted essentially dynamic way, but it takes on different aspects in structures, soil. Is recorded structural damage equipment and manpower.
South Kivu province, mainly the city of Bukavu and the neighboring countries were shaken by a violent earthquake, among the rarest recorded in the region, to Sunday 03/02/2008 9:34 local time (7:34 'GMT) . The 6.3 magnitude earthquake on the scale of RICTHER had its epicenter, according to the seismological observatories NSRF / Lwiro, around Birava in the same province, 20 km north of Bukavu, whose home was 33 km deep, according to still the same source (shallow earthquake: less than 60Km). It lasted about 20 seconds. This tectonic phenomenon has generated much of the damage as well geomorphological, material as humans.

The present work proposes the determination of the rainy thermical rhythm in three parts in Luhwindja based on the North, Center and South which has not been known for a long time.
The south area of Luhwindja is better watered to some extent with 1753mm of water a year and the more less hot has got the everage yearly temperature of 17.4 degree centigrade. As the matter of fact three is not any month which is dry and scows can be transcorried the whole year; the monthly "ETP" being inferior to precipitations of all the twelve months of a year.
The North's area of Luhwindja with a yearly rainy thermical of 1553mm the everage temperature is 19.2 degree centigrade. It is the part less watered with three months which are affected by atmospherically drought during (June, July and August) are affected by pedological drougth; the "ETP" being superior to precipitations for the three dry months.
The Center receives on the one hand, precipitations coming from the North and on the other hand those of the South. It realizes 1611mmof water per a year and an everage temperature of 20.5 degree centigrade with three months affectedby atmospherically drought (June, July and August).
On average the whole Collectivity of Luhwindja receives 1639mm of water per year and a temperature of 19, 03 degree centigrade.