; and (J) developing curriculum for new programs in coastal restoration at public community colleges and within college Sea Grant programs to train the new coastal restoration workforce. (2) Critical infrastructure In this paragraph, the term critical infrastructure means infrastructure, including natural or nature-based infrastructure, the destruction or damaging of which would have a debilitating impact on national security or economic security, undermine community resiliency and adaptation, or threaten public health or safety. (3) Natural and Nature-Based features The term natural or nature-based features means coastal wetlands, beaches, dunes, marshes, mangrove forests, municipal green infrastructure, and living shorelines. (c) Donations The Administrator may accept and use donations of funds to implement this section. 1003. Grants for recovering oysters (a) Establishment The Administrator shall establish a grant program (in this section referred to as the Program ) under which the Administrator shall award grants to eligible entities for the purpose of conducting research on the conservation, restoration, or management of oysters in estuarine ecosystems. (b) Application To be eligible to receive a grant under this section, an eligible entity shall submit to the Administrator an application at such time, in such manner, and containing such information as the Administrator may require. (c) Allocation of grant funds (1) In general The Administrator shall award a grant under the Program to eligible entities that submit an application under subsection (b). (2) Matching requirement (A) In general Except as provided in subparagraph (B), the total amount of Federal funding received under the Program by an eligible entity may not exceed 85 percent of the total cost of the research project for which the funding was awarded. For the purposes of this subparagraph, the non-Federal share of project costs may be provided by in-kind contributions and other noncash support. (B) Waiver The Administrator may waive all or part