The ACLU has a 97-year history of impact litigation, using singular lawsuits at specific points of injustice to impact broad populations. In recent years, lobbying and grassroots mobilization have amplified this targeted political pressure. It is this combination of tactics and decades of history that has put the ACLU at the forefront of the resistance in this era of Trump.Source: Effective Altruism Global (video).
Effective Altruism is a social movement dedicated to finding ways to do the most good possible, whether through charitable donations, career choices, or volunteer projects. EA Global conferences are gatherings for EAs to meet. You can also listen to this talk along with its accompanying video on YouTube.