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Vegetation_NN1 in_II cities_NN2 is_VBZ diminishing_VVG ._. 
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Sleek_JJ new_JJ buildings_NN2 are_VBR taking_VVG the_AT place_NN1 of_IO what_DDQ used_VMK to_TO be_VBI untouched_JJ land_NN1 ._. 
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Vast_JJ spaces_NN2 of_IO green_NN1 are_VBR becoming_VVG harder_RRR and_CC harder_RRR to_TO find_VVI ,_, and_CC the_AT residents_NN2 are_VBR paying_VVG the_AT price_NN1 ._. 
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The_AT aesthetic_JJ value_NN1 of_IO a_AT1 twenty_MC million-dollar_JJ building_NN1 is_VBZ not_XX nearly_RR as_RG pleasing_JJ as_CSA that_DD1 of_IO lush_JJ ,_, green_JJ landscape_NN1 ._. 
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Not_XX only_RR does_VDZ vegetation_NN1 provide_VV0 a_AT1 visually_RR pleasing_JJ environment_NN1 ,_, it_PPH1 also_RR makes_VVZ the_AT air_NN1 cleaner_NN1 and_CC provides_VVZ a_AT1 sense_NN1 of_IO peacefulness_NN1 ._. 
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<s>
Trees_NN2 also_RR provide_VV0 shade_NN1 and_CC keep_VV0 the_AT sun_NN1 's_GE draining_NN1 rays_NN2 off_II people_NN ,_, allowing_VVG them_PPHO2 to_TO fully_RR enjoy_VVI their_APPGE time_NNT1 outdoors_RL ._. 
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City_NN1 planners_NN2 must_VM take_VVI the_AT decreasing_JJ amount_NN1 of_IO vegetation_NN1 into_II consideration_NN1 ._. 
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<s>
Trees_NN2 and_CC plants_NN2 should_VM be_VBI planted_VVN wherever_RRQV possible_JJ ,_, and_CC the_AT construction_NN1 of_IO new_JJ buildings_NN2 should_VM be_VBI carefully_RR monitored_VVN ._. 
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One_MC1 city_NN1 that_CST is_VBZ doing_VDG something_PN1 about_II this_DD1 problem_NN1 is_VBZ Chicago_NP1 ._. 
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For_IF every_AT1 building_NN1 constructed_VVN over_II a_AT1 certain_JJ size_NN1 ,_, a_AT1 park_NN1 area_NN1 must_VM also_RR be_VBI constructed_VVN ._. 
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<s>
Steps_NN2 like_II these_DD2 will_VM ensure_VVI that_DD1 vegetation_NN1 is_VBZ always_RR present_JJ ,_, even_RR in_II the_AT city_NN1 ._. 
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