Pros
Incredibly knowledgeable, global team, as well as the opportunity to work along the entire chain of climate action (from science to policy research/development/advising). The work is very rewarding, and allows one to build a range of skillsets in a managed way. It can be busy, but rarely in an overwhelming manner. The org continues to evolve and enhance its operational arrangements as it grows. Truly a rewarding place to work at.
Kontras
Salary does not feel especially competitive, although there is now a formal salary scale in place alongside consistent raises to (at least) match inflation. Otherwise the experience of an employee depends on the team and leadership they are surrounded by; in my case, there was no reason to complain whatsoever.