The pie chart shows the percentage of annual  greenhouse emissions by different sector.

You can see that the trend in power stations rise 21.3% followed by industrial processes contribute 16.8%.While emissions by transportation fuels contribute 14%.and  transportation fuels 12.5%.

Also you can see that Agricultural and fuel retrieval almost equal percentage as well as biomass burning and residential, commercial roughly equal. Whilst waste disposal contribute 4.3% of the total emissions.

Overall amongst the eight sectors, the power stations make up the largest emissions, followed by waste disposal representing the lowest.