Amends the Outer Continental Shelf Lands Act to prohibit the Secretary of the Interior from offering for leasing, preleasing, and specified related activity within the Chukchi or Beaufort Sea Planning Area until the following prerequisites have been met: (1) the Secretary enters into an agreement with the National Research Council to report to Congress upon specified missing information regarding the Chukchi and Beaufort Sea marine and coastal ecosystems, and the adequacy of environmental, public health and cultural studies; (2) the polar bear is listed as an endangered species or a threatened species under the Endangered Species Act of 1973, and critical habitat is designated for it, or the Secretary publishes a determination that such a listing is not warranted; (3) the Secretary determines that specified deployable mechanical oil spill response technologies exist; and (4) the Secretary determines that oil and gas exploration and development can be conducted in the Planning Areas without risk of substantial adverse impact to wildlife or wildlife habitat and subsistence, and that risk avoidance measures are identified and their efficacy established.