New report says officials have evidence implicating business executives and state agents in environmentalist’s slaying.

New law aims to protect indigenous women on US reservations from sky-high rates of sexual assault and offender impunity.

Indigenous communities say proposed pipeline to ferry oil from energy-rich region may endanger way of life and culture.

Plans to tap new markets by carrying oil from energy-rich region of Alberta through pipelines face host of hurdles.

Environmental issues could take centre stage in US election as regulations to curb emissions draw heat from Republicans.

A fast developing oil and gas industry is taking a toll on infrastructure and raising concerns among local tribes.

Conservationists and Native American tribes in the US are fighting to restore the wild bison to its old home.

The push to remove grey wolves as an endangered species in the US is replacing science with politics.