The Endangered Species Act (ESA) is among the nation's most important and powerful environmental laws. It is also a source of great conflict and controversy.

If we don't rely on science to guide us, we might make the day for Whole Foods Market devotees, but it would have a devastating effect on the nutritionally poor and the world food supply.

The Bush administration must decide on whether to add polar bears to the endangered species list by May 16. Its answer may have serious consequences for the U.S. energy economy.

The Bush administration should seriously consider the evidence before designating polar bears as a threatened species.

Republicans cannot hope to retake the majority in Congressunless they can win in competitive seats where moderates play well.

If the Endangered Species Act were applied uniformly to all of the species in the US that are potential candidates for its reach, Congress would swiftly repeal it. The act's potential costs are often too high to enforce aggressively.

Reform is crucial if we are to achieve the Endangered Species Act's ambitious goals and conserve the world’s endangered plants and animals.

The Endangered Species Act, passed by Congress in 1973, embodied a consensus that conserving endangered and threatened species is a critical public goal. Unfortunately, the implementation of the Act has strayed from this intent and has led to a failure to recover species, a significant expansion of federal power over...