When resources such as food were scarce, hunter-gatherer societies would turn to violence.
Environmental activists warned California state officials of Oroville Dam's risk of flooding in 2005.
California governor issues emergency evacuation order after massive hole found in dam's spillway.
Uber-owned Otto is testing autonomous trucks on public roads in California, but doesn't have a licence.
The government has said it will look to pass legislation allowing the sale of the drug abroad.
Corporate buildings, including banks and ATMs were vandalised, and a Starbucks coffee shop was looted.
The entire state could offer protection to immigrants under threat of deportation.
Veteran Democratic California governor vows to protect immigrants and fight deportations.
Paul Charles Wilkins, 70, from Littleport in Cambridgeshire, was caught in an undercover Whatsapp sting.
Lawyers for family of victim accuse police of 'executing' James Hall during November 2015 incident.
Noor Salman appeared in court in Tuesday.
Phiel is rumored to be considering trying to win California for the Republicans.
Los Angeles-based firm insists offensive Nazi imprints was 'design flaw' and not intentional.
Manson was reportedly admitted to hospital last week suffering a serious illness.
IBTimesUK presents some of best moments of the stars of TV and film who attended the event.
Shiloh Quine, who is serving life imprisonment, underwent the surgery on 5 January.
The state will fight against Trump's expected immigration, climate change and civil rights policies.
The man had also suffered a gunshot wound to the head.
100 firefighters responded to the emergency, while search dogs look for more victims.
Brian Walker, 21, has been arrested by Visalia police suspected of breaking through a glass door.
The deadly earthquake hit three days ago, killing more than 100 people.
The building served as a base for the Ghost Ship Artists Collective, yet reports suggest people had also been living there despite its use being permitted only as a warehouse.