Before revision:  Regional variations in CO_2 emissions are significant, with a decrease in China (-9.3\% ) , US (-3.0 \%), Europe ( EU-27 & UK)(-3.3\%) and India (-2.4\%) , respectively.
After revision:  Regional variations in CO_2 emissions are significant, with a decrease in China (-9.3\% ) , US (-3.0 \%), power generation (131.6 Mt CO2, -3.8\%), residential (47.8 Mt CO2, -3.6\%), fishing and maritime transport (35.5Mt CO2, -13.3\%) and aviation (33.4 Mt CO2, -8.0\%). Regionally, decreases in emissions from China were the largest and earliest (-10.3\%), followed by Europe ( EU-27 & UK)(-3.3\%) and India (-2.4\%) , respectively.