Court filings by the Massachusetts attorney general’s office include previously undisclosed documents, revealing new details about internal deliberations at the oil giant.
If there was a year the world began waking up to climate change, it might have been 1988. That June, the NASA climatologist James Hansen testified to Congress that the climate was warming and would continue to do so as long as humans pumped fossil fuel pollution into the atmosphere. Months later, the United Nations established the Intergovernmental Panel on Climate Change.