EcoWatch: Even as we watch the stunning footage of an overwhelmed Detroit drowning under massive rainfall, U.S. Drought Monitor shows other regions of the country parched and longing for more water. The organization releases weekly maps tracking the extent of drought in the U.S., ranking regions on five levels: "abnormally dry," "moderate drought," "severe drought," "extreme drought" and "exceptional drought."
Its current map documents a huge swath of the western U.S., extending as far east as Kansas, Missouri...