"without being too intrusive" --> without having too much impact on e.g. the local culture or environment. Like with eco-friendly accomodation, I think this refers to a tourist resort designed to limit the negative impact on its direct surroundings, such as spoiling the view or polluting local waterways with shampoo residue and garbage.

Green Architecture - referred to in a broader context as "sustainable" design .... that there was no invasive deforestation as a result of harvesting them. ...
chicagoarchitecturetoday.com/greenline.htm - Similares
Invasive Plants - EBN: 19:7 - BuildingGreen.com - [ Traducir esta página ]1 Jul 2010 ... Sedums and other plants typically used on green roofs are ... When making landscaping choices, be aware that nonnative species, whether invasive or not, ... a landscape architect, contact a regional environmental center, ...
www.buildinggreen.com/auth/article.cfm/.../Invasive-Plants/ - En caché
Green Buildings - Sustainable Architecture for Green Buildings ... - [ Traducir esta página ]Ever wonder what makes a green building green? Sustainable architecture is not just a fad, as energy efficiency, sustainable materials and safe, ...
greenliving.about.com/.../architecturedesign/.../green_buildings.htm - En caché - Similares
LEED EBOM 2009 SSc5 Site Development—Protect or Restore Open Habitat - [ Traducir esta página ]Appropriate plant mix on green roof to qualify for SS 5 ... I would consult with your landcape architect to confirm that the plants selected meet ... I had read the language and while the trees are not considered invasive or noxious, ...
www.leeduser.com/credit/EBOM-2009/SSc5 - En caché
Invasive Species » CUNY Institute for Sustainable Cities Blog - [ Traducir esta página ]6 Aug 2009 ... NYC Green Organizations ... Posted by Carina under Architecture, Energy, Environment, ... We can not talk about anything ecological without discussing the economic or equity component to it. ... Ballast water is just one way that a ship can tranport and introduce invasive species around the world. ...
blog.cunysustainablecities.org/.../invasive-species/ - En caché - Similares
Comparative Hepatology | Additional Files | Non invasive in vivo ... - [ Traducir esta página ]de RC Hardman - 2008 - Citado por 1 - Artículos relacionados
6 Oct 2008 ... Canaliculi (C, green), which average 1.3 μm in diameter, ... Hepatocytes, which occupy the negative/empty space, are not rendered for visual clarity. ... architecture, and relationship of canaliculi to sinusoids. ...
www.comparative-hepatology.com/content/7/1/.../additional/ - En caché

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Note added at 7 hrs (2010-07-23 16:13:16 GMT)
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Go green!!!
eski

It makes the area more attractive without attracting itself all the attention. It beautifies the place, but without interfering. I'd say it just becomes a part of it and goes unoticeable.

Another answer; meaning not so noticeable or that is hidden away from unwanted guests; for instance hidden away among trees or other landscape forms.