This is very true. ExxonMobil is the world's worst polluter. This has caused environment pollution and hence affected climate and its conditions. The N.Y. Supreme Court is actually right to order the oil giant to produce their climate documents. It was caused by their loss. Failure to produce this documents, the institution might face the law.
While the sheer extent of ExxonMobil's pollution of areas like the Mystic River is still unknown and will only be revealed after full disclosure, it is looking increasingly likely that they have caused considerable environmental damage over the past few decades and that they have engaged in a systematic attempt to cover it up.
I can still picture the seals covered in oil from Exxon Valdez's gigantic oil spill in 1989. Oil covered birds and fish littered the shores. People have been interviewed from the area recently and the area is still toxic. It has been 25 years and the area still has not recovered from their mess. This was just the most famous of their accidents. Who knows what else they could be hiding from us?
The blame cannot be put onto one group or another until the climate documents give the facts. Plus, the affects would have to be evaluated on terms that would include all types of pollution including air, water, light, and more. To say a company is the worst because it spills oil and kills a small area of the ocean while companies pollute all of the air in major cities causing major diseases in entire populations of people would be unfair.