Representative Concentration Pathways (RCPs) has been adopted by the IPCC to replace the Special Report on Emissions Scenarios (SRES) used in the AR4 report. The RCP4.5 emission pathway It is a stabilization scenario : stabilization without overshoot pathway to 4.5 W/m2 at stabilization after 2100. RCP4.5 bioclimatic variable spatial layers were developed for Australia (5km grid). Download 4GB zip file containing layers for 18 Global Circulation Models (GCMs) for decadal timesteps from 2015 to 2085