Science

Rivers of Oil, Episode 4: The rallying cry
In the early 2000s, the Keystone XL oil pipeline became one of the most powerful symbols in the fight against climate change. And since then, it's not just local landowners fighting pipelines in their backyards anymore. It's environmental groups, Native Americans tribes, farmers and ranchers, and a crucial addition to the alliance -- climate change activists. But how did it begin?
Rivers of Oil, Episode 3: The spark that ignited fires
Pipelines have become a potent issue for Native American and indigenous people, who are fighting them across North America. Part of the fight is over culture and identity. But it also involves a messy history of land and treaties, and a long, complicated -- and often adversarial -- relationship with the U.S. government.
Aspen Ideas Festival: Dr. Atul Gawande on health
Judy Woodruff of PBS explores some of the most pressing issues in health and medicine today with Dr. Atul Gawande at the 2018 Aspen Ideas Festival.
Regulators focus on need for new pipeline as decision looms
The Minnesota Public Utilities Commission worked through questions of Enbridge Energy and opponents of the Line 3 oil pipeline project on Tuesday, hinting that it might take them longer than expected to discuss the matter.