An Unearthed and HuffPost investigation identified at least eight trade associations the companies failed to disclose in transparency reports.
Together, five companies have a climate footprint bigger than Exxon, Shell or BP, but we don't talk about it.
The Trump administration's move is the latest effort to undo much of Barack Obama’s work to address climate change.
An effort to recall a Colorado county commissioner has become a proxy argument over rules to limit methane emissions.
The two countries are seeking to improve cooperation on energy after Obama rejected the Keystone XL pipeline project last year.
President Obama gave his final State of the Union this week and in the seven years he's been president, much has changed. But, before he leaves office, there is more that can and should be done to address climate change.