What are the top 20 companies causing climate change?

Question

The answer to this question will most likely keep changing, but it will be interesting to know the current statistics.

Answer 1

The following create the most greenhouse gas emissions globally

1    China (Coal)    14.32%
2    Saudi Arabian Oil Company (Aramco)    4.50%
3    Gazprom OAO    3.91%
4    National Iranian Oil Co    2.28%
5    ExxonMobil Corp    1.98%
6    Coal India    1.87%
7    Petroleos Mexicanos (Pemex)    1.87%
8    Russia (Coal)    1.86%
9    Royal Dutch Shell PLC    1.67%
10    China National Petroleum Corp (CNPC)    1.56%
11    BP PLC    1.53%
12    Chevron Corp    1.31%
13    Petroleos de Venezuela SA (PDVSA)    1.23%
14    Abu Dhabi National Oil Co    1.20%
15    Poland Coal    1.16%
16    Peabody Energy Corp    1.15%
17    Sonatrach SPA    1.00%
18    Kuwait Petroleum Corp    1.00%
19    Total SA                                    0.95%
20    BHP Billiton Ltd                    0.91%

Source: Riley T, “Just 100 Companies Responsible for 71% of Global Emissions, Study Says” (The Guardian, 2017)