This paper seeks to explain that: 1) noxious weeds are increasing rapidly on both disturbed and relatively undisturbed lands; 2) inventories to assess the locations and magnitude of weed infestations are lacking; 3) prevention of weed spread combines with early detection and eradication of small infestations is urgently needed; and, 4) there are many economical and effective weed management techniques that can be implemented. Includes an extensive collection of images documenting the author's research.