The Nature Conservancy is on USCIS's list of E-Verify employers. The STEM OPT extension needs an employer that uses E-Verify.
The Nature Conservancy's postings are open to international students. None of them rules you out. When a The Nature Conservancy posting says yes in writing, members see the exact words.
Follow The Nature Conservancy
Get an email when it posts a new job open to international students.