You can donate to the organization as a whole, or you can earmark your contribution for a particular project.
2012, Michelle Alexander, The New Jim Crow, →ISBN, page 74:
Now that police departments were suddenly flush with cash and military equipment earmarked for the drug war, they needed to make use of their new resources.
2020 December 2, Christian Wolmar, “Wales offers us a glimpse of an integrated transport policy”, in Rail, page 56:
A widening of the M4 had long been mooted, and the Welsh Government had even earmarked most of the required £1.6bn funding for a new 14-mile, six-lane section around Newport. Then, in the face of opposition from environmentalists, came a realisation that similar road schemes across the world tend merely to encourage greater car use and therefore soon prove ineffective in solving the original problem.