It's an old argument with a new twist. Which is more important: economics or the environment? As new technologies have emerged, some people criticize the Minnesota Pollution Control Agency (MPCA) for favoring the economics of new ventures and ignoring the serious environmental questions posed by emerging industries. The stories below provide specific cases, including animal feedlots, expanding potato farms, and a new ethanol plant. In some cases, the concerns center around how a variety of state and federal agencies work together - or don't - to protect our environmental resources.