Will we be able to have luxury holidays in exotic places without damaging the environment? ( Steve Southall, Manchester) SIMON: Building hotels and villas permanently affects the environment、 that's why many holiday companies are looking for alternatives。 One possible answer is luxury' holiday pods" 。 You can assemble them anywhere in the world、 from the South Pacific the Sahara Desert、 and they can remain in place for up to fifteen years。 Then they can be packed up and moved to another location。 The damage to the environment is almost zero: all the waste produced in the pods is collected and recycled。 But some people do n't believe there's anything particularly new in this。 As travel writer Carl Jenkins has said' Lots of people already have similar pods、 they're called caravans.