CEO: We have been falsely criticized for not being an environmentally responsible corporation.
Conclusion
We have been falsely criticized as being a "not environmentally responsible" corporation. rephrase: We are an environmentally responsible corporation.
Evidence
Do all you can → environmentally to pollute less responsible
No methods come with zero pollution.
Our newer methods pollute less than our older methods did.
Evaluate
Given that ... their new methods pollute less than their older ones, and that no method is pollution free
How can we still argue that ... they are not an environmentally responsible corporation?
Well, the author supplied us with a conditional rule that would prove that a corporation is environmentally responsible. And the author is acting like she triggered that rule.
But the trigger is "do all you can to pollute less" and all we know is that "new methods > old methods".
We could argue that,
It's like the author was saying,
We would similarly be saying,
Goal
Look for an answer that speaks to the gap between "new methods are less polluting than older methods" and .