 In addition to issues of civil rights, Fonda has been an opponent of oil developments and their adverse effects on the environment.In 2017, while on a trip with Greenpeace to protest oil developments, Fonda criticized Canadian Prime Minister Justin Trudeau saying at the summit on climate change in Paris, known as the Paris agreement, Trudeau "talked so beautifully of needing to meet the requirements of the climate treaty and to respect and hold to the treaties with indigenous people ... and yet he has betrayed every one of the things he committed to in Paris.