In January 2020 Congress passed NAFTA 2.0 (Trump’s USMCA), which increases fossil fuel pollution in Mexico: https://truthout.org/articles/with-passage-of-nafta-2-0-congress-boosts-fossil-fuel-polluters-in-mexico/?eType=EmailBlastContent&eId=e5ce0dde-589e-4dd6-a92a-a4dcf710c66f
People who care about the environment and the climate opposed Trump’s NAFTA 2.0 (USMCA), but Nancy Pelosi and House Democrats caved in to Trump and the oil companies. U.S. Representative Nancy Pelosi, the House’s top Democrat, caved in to Trump and moved his trade toward House passage DESPITE its failure to include any of the key changes environmental and climate groups have been demanding over the last year. Trump’s trade deal does not even mention the climate crisis, let alone do anything to solve the problems. it has ABSOLUTELY NO BINDING STANDARDS for clean air, water or land. It ALLOWS FOSSIL FUEL COMPANIES to sue Mexico over climate and environmental laws. It ALLOWS for automatic exports of liquefied natural gas. It ALLOWS CORPORATIONS unprecedented influence over the regulatory process. Nancy Pelosi is NOT a progressive, and the Democrats REFUSED to protect us from Trump’s abuse.
See this article for more information: https://www.salon.com/2019/12/13/why-did-democrats-give-trump-a-win-on-nafta-2-0_partner/
As always, Public Citizen (www.citizen.org), the excellent non-profit organization founded by Ralph Nader about half a century ago, did excellent work. So did some other non-profit orgs representing the climate, organized labor, and so forth.