Black Carbon is soot and dust particles released from the impure combustion of fossil fuels and biomass burning.

Grid Arendal & UNEP 2009 1 adapted from Masiello & Druffel 1998 2

Blue Carbon is the carbon stored, sequestered or released from coastal ecosystems of tidal marshes, mangroves and seagrass meadows.

International Union for Conservation of Nature (IUCN) & Conservation International (CI) 2012 3

Green Carbon is carbon sequestered by natural ecosystems through photosynthesis.

Adapted from Trumper et al. 2009 4