Please read the article: Two Native Americans arrested over Keystone XL protests from Indian Country Today by the Lakota People’s Law Project to get a sense of what is happening with the fight to stop the KXL and how the Roots Camp is involved.
In this video, Lakota People's Law Project visits Roots Camp to survey the situation. This is a great overview of what is happening.
This article mentions Oscar High Elk and Jasilyn Charger, two Roots Camp founders:
Lakota call out inequity in law enforcement at U.S. Capitol riot
Treaties Between the United States and Indigenous Nations, Explained, by Ruth H. Hopkins (Cankudutawin-Red Road Woman), a Dakota/Lakota Sioux writer, biologist, attorney, and former tribal judge
Očhéthi Šakówiŋ: A History of the Lakota and Dakota People (podcast - interview with Mors )