Wounded Knee is among the worst massacres in Native American history, when in 1890 the US military shot and killed 146 unarmed men, women and children in South Dakota.
Many Native languages are dying, and their loss has deep and profound implications for our world.
Historically, indigenous peoples used the natural seasonal cycles of weather, plants and animals as part of their religious calendar. What will be the impact of climate change on their practices?
Native American scholars joined in the global March for Science. Their science blends seamlessly with beliefs.
Pope Francis appears to have defended Native American protests on the North Dakota pipeline issue. Indigenous cultures have a right to defend 'their ancestral relationship to the Earth,' he said.