Trees should be planted either in swales (on primarily residentail streets) or in tree wells (on Main Streets). Do not listen to “urban foresters,” who insist that trees must be planted in landscape beds large enough for their mature drip lines.

Rising sea levels will create massive displacement in coming generations—here's a number of ways that people and communities will transition from low-lying to higher locations and conditions.

For storefronts that keep pedestrians entertained, here are the rules of thumb.