I agree that words like "actually" and "already" are often unnecessarily used, like other filler words, which don't add anything to a sentence.
English aside, I would like to comment on the alleged damage of the construction of paved pedestrian walkways on the environment in the article. I think the impact on the environment is exaggerated. The construction of walkways involves minimal clearing of vegetation, if at all, unlike the construction of buildings and roads, as the areas involved are relatively small. If the scope of work only requires the clearing of path, the authorities would not go to the extent of incurring costs unnecessary in carrying out construction in the form of steps, landings, pavements, railings, shelters, etc. It's all done with the comfort and safety of users in mind, especially paths which are used by a large number of people. Pedestrian trails going up steep terrain can be hazardous without steps and railings. Paths which are not properly cleared bears the risks of encounters with snakes, leeches, creepy crawlies and other wild animals, especially in tropical countries. Proper drainage is required to prevent soil erosion after paths are cleared. Certain hilly terrain would require hikers to climb on all fours if steps and railings are not constructed.
You can say that any form of paving makes hiking trails less natural. The trails could be well be left in its natural state overgrown with bush, vegetation, trees, etc., which is easy enough for the authorities concerned, but is that really what public users/hikers want to go through?
