It's appears to a basic catch - all used in these papers to tie into climate change funding. (planet3.org)
Since 2001, the GEF — through the LDCF and the Special Climate Change Fund and the Strategic Priority on Adaptation program — has provided $ 1.3 USD billion in grant financing and mobilized $ 7 USD billion from other sources for 320 adaptation projects in 129 countries, including all Least Developed Countries and 33 Small Island Developing States. (globaleducationmagazine.com)
The Daily Star: As the release of the UN climate change fund for vulnerable countries is being delayed, Bangladesh should implement adaptation programmes with assistances from its development partners through bilateral arrangements, according to experts. (chimalaya.org)