41.   However, the Tees Estuary, in particular, still posed environmental problems.

42.   It has also brought about a real improvement in waste management, showing how the quality improvement process can be used to tackle environmental problems.

43.   Although most of those who were trapped by the floodwaters have been rescued, the state now faces an environmental problem with enormous and long-term consequences.

44.   Among the environmental problems, the Hummers will emit far more air pollutants than cars.

45.   And critics have raised concerns about potential environmental problems, like the unintentional creation of weeds resistant to some herbicides and pests resistant to certain pesticides.

46.   And that, of course, contributes to global environmental problems.

47.   And they promise to correct past environmental problems.

48.   And the growth of hog farming is causing environmental problems in several rural communities, especially in the north-central part of the state.

49.   Another is the loosely organized Call to Renewal, which says it seeks Christian solutions to poverty, racism and environmental problems.

50.   As a result of the lack of official contact between the two governments, trade has languished and health and environmental problems along the border have reached dramatic levels.