Following COP21 in December 2015—which also brought about the Paris Agreement—Conference attendees committed to addressing climate change using substantial financing through international donors and funds. As part of this movement, the USAID launched the USAID Climate Ready Project.

Over 90% of the water supply to Freetown, Sierra Leone is supplied from Guma Dam and Water Treatment Plant. This facility as well as supply to the city of Freetown is managed by the Guma Valley Water Company.