Indigenous activism continued to influence the environmental movement and policy, with some major victories, most notably the defeat of the Keystone XL pipeline. Throughout the year, climate change was the overriding concern, culminating in the representation of Indigenous Peoples at the COP21 United Nations climate talks in Paris in December. Ongoing drought, wildfires and Arctic drilling also dominated, with President Barack Obama visiting Alaska and getting to know Native groups there. Here are some of the biggest environmental stories of the year.