According to the latest IUCN Red List update, 13 percent of the world’s bird species are now threatened.

We mapped out where the drilling could take place — and how it overlaps with the critical habitats of the most sensitive species at risk.

BP’s mistakes, rooted in regulator failures, revealed “such systematic failures in risk management that they place in doubt the safety culture of the entire industry.”

Panda habitats remain heavily fractured, while new research shows breeding centers expose the endangered animals to a hidden yet potentially deadly threat.

2017 was another deadly year for panthers. How many more years can this critically endangered species survive?

Drilling in the refuge was tucked into in last month’s Republican tax bill, defying decades of attempts to protect this pristine wildnerness.

This month’s new books cover climate change, gorillas, warfare and…Godzilla?

New rules could affect everything from clean power to migratory birds, and they’re just a hint of what’s yet to come.

Stories about Bears Ears, sharks, vaquitas, an extinct bat and the Endangered Species Act resonated with our readers this year.

The year of Trump brought challenges, but it also inspired us to seek the truth and find solutions.