It's not that simple and my guess is that the AG wont win it (neither do they care to)
Unless it can be demonstrated scientifically that humans are the primary cause of climate change (despite what you hear that causality is not established) I don't think there is any case what so ever unless some weird inconsequential settlement.
Also
A life without fossil fuel is a life most of us don't want to live.
So sure there are drawbacks with using fossil fuels just as there were with using wood or just as there is with dong or other lesser versions of fuel.
But the benefits far outweigh the drawbacks. We wouldn't have this conversation if it wasn't for fossil fuel.
Last but not least. This smells of politics, not of justice. NY is trying to push for a much more green profile. So it's likely to do with that probably as an attempt at getting de-blasio nominated (yes politics is that scruppules)