A bright-orange shopping cart lies tipped on its side near a bus stop along a major thoroughfare in a Denver suburb. A stone’s throw away, another sits next to a fence just across the street from the big-box retailer that owns it. This snapshot of urban blight, found in Lakewood but indicative of a problem that exists elsewhere along the Front Range, is a reflection of rising home prices and with them, growing housing insecurity and homelessness, officials say.