South Dakota warns it could revoke Keystone Pipeline permit over oil spill.

South Dakota regulators said they could revoke TransCanada's permit for the 7-year-old Keystone Pipeline if an investigation into a large oil spill discovered last...

Keystone XL pipeline: TransCanada weighing options after Nebraska regulators OK pipeline, but not preferred...

Nebraska regulators have approved TransCanada’s controversial Keystone XL pipeline, but not its preferred route through this state — raising questions about whether the company...

The Keystone XL pipeline wins a battle, but faces a new war.

After a nearly decade-long fight over its construction—which grew to include three states, two provinces, several indigenous tribes, tens of thousands of activists, and...

Nebraska approves Keystone XL pipeline as opponents face criminalization of protests.

Nebraska’s Public Service Commission approved the Keystone XL pipeline Monday, eliminating a major regulatory hurdle to construction of a project that galvanized people across the...

Keystone XL pipeline gets Nebraska’s approval, clearing a key hurdle in 9-year effort and...

Nebraska regulators voted on Monday, Nov. 20 to approve TransCanada Corp's Keystone XL pipeline route through the state, lifting the last big regulatory obstacle...

Nebraska regulators approve alternative route for Keystone XL pipeline.

AdvertisementLINCOLN, Neb. — The nearly decade-long battle over Keystone XL has come...

Congress moves to 'drill, baby, drill' in Alaska's ANWR. Here's what you should know.

CLOSE Republicans wanted to drill in an-oil rich area of an Alaskan refuge for decades, and the political stars are perfectly aligned for that to...

Climate talks close with Trump administration on one track, world on another.

German Chancellor Angela Merkel and French President Emmanuel Macron attend the COP 23 United Nations Climate Change Conference on Nov. 15, 2017 in...

COP23: Is Germany losing its role model status on climate?

It's still not clear when Germany will have a new government. For four weeks now, Chancellor Angela Merkel's Christian Democrats (CDU), the allied Bavarian...

COP23: Should climate summits always happen in Bonn?

They dubbed it "Fiji on the Rhine." The giant tent city that has been assembled on the river banks of Bonn, Germany, is emblazoned with...

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Gorillas, rhinos, lions and more will soon become extinct without immediate action

A report by 43 wildlife experts warns that without changes now, many of Earth's most iconic species will be lost forever. Link to full source:...

Activists say pipeline environmental assessment ‘appallingly incomplete.’

While North Carolina activists fight the Atlantic Coast Pipeline with protest songs and camera-grabbing marches, they’re also waging a quieter legal battle via the...

Regional dry-season climate changes due to three decades of Amazonian deforestation

Region and period of investigation. The study is performed over the deforested regions of the Brazilian state of Rondônia, which lie between 65° W, 60°...