Native Americans overwhelmingly voted for Barack Obama during the 2008 presidential election.

That support was due in part to his campaign promises to improve reservation life.

But many Native Americans are still looking for guarantees on land and water rights, in addition to Obama's signature on the Declaration on the Rights of Indigenous Peoples.

Al Jazeera's Rob Reynolds reports from the Navajo Nation, a semi-autonomous Native American-governed territory, in Monument Valley, Utah.