Complex sentence: The fall of the Soviet Union led to massive restructuring and deindustrialization of many of the former Soviet Bloc, when the Kyoto Protocol was negotiated, there were several mechanisms that allowed for trading of emissions credits.
Split into simpler sentences: The fall of the Soviet Union led to massive restructuring and deindustrialization of many of the former Soviet Bloc. When the Kyoto Protocol was negotiated, there were several mechanisms that allowed for trading of emissions credits.