Some people are concerned about the National Park Service&#146;s policy of trying to put out fires within the park, arguing that the amount of damage done to the ecosystems from heavy machinery and cutting trees down to create fire barriers creates more damage than the fire itself.
(Some people; are; concerned about the National Park Service&#146) (that the amount of damage done to the ecosystems from heavy machinery and cutting trees down to create fire barriers; creates; more damage than the fire)
Some people that the amount of damage done to the ecosystems from heavy machinery and cutting trees down to create fire barriers
are creates
concerned about the National Park Service&#146
more damage than the fire