violence

Charlie died the following day at Newcastle's Royal Victoria Infirmary from the "catastrophic effects of a head injury" after he had been "shaken or thrown with such violence", Mr Lumley said.

Instead, he seemed to claim its impacts were themselves arguments justifying his violence.

While violence and persecution and economic opportunity remain the primary drivers pushing migrants into the U.S., the evidence increasingly also points to climate change as a growing factor.

In 1989, when climate politics was still fledgling, he warned that the effects of warming were going to prove explosive along America’s borders — and that, left unresolved, communities could disintegrate into violence.

Zuckerman, like others involved with the early argument that population growth was a threat to the environment, vehemently denied prejudice against immigrants and did not advocate violence.