Chávez was also an early environmentalist, warning the public of the devastating effects of pesticides on both farmworkers and consumers.
The former judge who heard the 4,016 cases in the explosion's aftermath is speaking out for the strikers.
"For too long, these companies have gotten public support only to have them take advantage of the workers and their families, forcing overtime and unsafe staffing levels."
"The miniscule number of jobs it would create are far outweighed by the enormous damage that this project creates to our health and in accelerating the climate crisis."
"Management cannot continue to resist allowing workers a stronger voice on issues that could very well make the difference between life and death for too many of them."
"Houston has the worst record in Texas, and Texas has the worst record in the nation when it comes to workplace fatalities or catastrophes."
Oil industry obstinance, especially its refusal to even discuss worker safety issues, forced tens of thousands of Steelworkers to strike.
The USW called for its refinery workers to stage their walkout after negotiations with Shell Oil Co. broke down less than two weeks after they began.
Keystone foes say the pipeline would carry "dirty oil" to the U.S. Gulf Coast refineries at a cost of an unacceptable increase in the gases that cause global warming.
Within days of each other last week, two groups of Northern California recycling workers declared they'd had enough of what they see as regimes of indignity and discrimination.