Environmental organizations work in places where deforestation and desertification are contributing to extreme poverty. Lifestyle choices are contributing factors to poor health in many cases. Overpopulation is one of the most dangerous factors contributing to desertification. Most coalitions allow participation of anyone interested in contributing. Poverty was one of the factors listed as contributing to the high obesity rates. It addresses important issues about being human and how prisoners can be contributing citizens. There are a number of contributing factors. There were contributing factors to the crash as well. There does seem to be a consensus on what some of the contributing factors are. This is one of the factors contributing to the entropy difference. There were a number of contributing factors to this. Not one is contributing more than the other. Topical endothelial swelling is one of many factors contributing to this. As such, the chapter has been contributing to campus life for over five decades. The remainder are contributing resources within historic districts.