On September 30, 2018, the United States, Mexico, and
Canada announced the completion of negotiations of a new United
States-Mexico-Canada Agreement ("USMCA") that will
replace the North American Free Trade Agreement
("NAFTA").
While much commentary has already been written about the winners
and losers in the new USMCA, the results for the environment are
less than obvious. As expected, USMCA includes a chapter on
environmental cooperation (Chapter 24). It replaces
the former North American Agreement on Environmental Cooperation
("NAAEC"), which was a side treaty to NAFTA.
The purpose of Chapter 24 is to "promote mutually
supportive trade and environmental policies and
practices". The Agreement recognizes that is
"inappropriate" to either (1) "establish or use...
environmental laws... in a manner which would constitute a
disguised restriction on trade or investment" or to (2)
"encourage trade or investment by weakening or reducing the
protection afforded in