A portion of the Houston Ship Channel is closed due to the twenty-two Greenpeace USA activists who are demonstrating at the Fred Hartman bridge to protest the use of fossil fuels ahead of the Democratic debate. https://t.co/b23tDVKCVS

(Greenpeace USA) pic.twitter.com/3E1cXoc9u3

— Houston Chronicle (@HoustonChron) September 12, 2019