The Back issues and Index are available here. It's updated constantly. When you get into your first toxics fight, the hardest thing to understand is the government. Corporations you can understand.
Corporations only exist to return a profit to their investors.
Modern corporations, pursuing profit, are dangerous, at least the ones playing with hazardous chemicals. To protect themselves, Americans look to government. The power of government is supposed to shield us from the stupidity or the malevolence of corporations. When you get into a toxics fight, the hardest thing to understand is that the government isn't protecting you and doesn't seem to be interested in protecting you. This is a rude shock.