Sound Science for Endangered Species Act Planning Act of 2002

[AI summary unavailable — showing source text] Sound Science for Endangered Species Act Planning Act of 2002 - Amends the Endangered Species Act of 1973 to require the use of the best scientific and commercial data available as a basis of determinations on a petition to add or remove a species from the endangered species list. Directs the Secretary of the Interior to give greater weight to any scientific or commercial study or other information that is empirical or has been field-tested or peer-reviewed. Requires that a petition regarding a species contain clear and convincing evidence of the current and historic ranges of the species concerned, of the most recent population estimates and trends for the species, that any alleged change in the population is beyond normal fluctuations, and of the reason that the petitioned action is warranted. Directs the Secretary to: (1) promulgate regulations that establish criteria that must be met for scientific and commercial information to be used as the basis of a determination to support listing a species; and (2) identify and publish in the Federal Register with notice of a proposed regulation a description of additional scientific and commercial data that would assist in the preparatio…