71.   Brown said that it seems to take a scare, like the ozone hole, for the public to react to environmental problems.

72.   But a state-paid consultant says the studied alternatives pose too many environmental problems or likely would provoke a legal challenge from neighboring Alabama.

73.   But a new environmental problem is on the horizon.

74.   But addressing persistent environmental problems, such as air pollution, will require a firmer hand.

75.   Bush figures he has more to gain politically by catering to polluters than by worrying about long-range environmental problems.

76.   But Brix says oil is still a nonrenewable resource, with environmental problems.

77.   But critics have contended that the system, which uses huge farms, can cause environmental problems.

78.   But huge family-owned operations can cause as many environmental problems as the corporate concerns.

79.   But the displaced also pose security and environmental problems.

a. + problem >>共 705
serious 4.46%
economic 3.74%
major 3.48%
financial 2.66%
biggest 2.34%
technical 1.95%
only 1.92%
big 1.91%
potential 1.91%
real 1.87%
environmental 0.98%
environmental + n. >>共 534
group 16.58%
protection 6.16%
issue 4.08%
damage 3.25%
impact 3.25%
law 2.93%
problem 2.54%
regulation 2.32%
activist 2.23%
concern 2.21%
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