"Set an interim target to achieve in the next decade, which reflects a fair share of the 50% global reduction in CO2 by 2030 identified in the IPCC Special Report on Global Warming of 1.5°Celsius." 
Baseline year is assumed to be the year at which the CRtZ was created

The State aims to reduce emissions to 20% below the BAU projection by 2025, to 45% below BAU by 2035 and to eliminate GHG emissions completely by 2050.
