"Relying on increasing diseases and malnutrition to limit human Numbers in the world diminishes the quality of life for all humans and is a high-risk policy," the researchers conclude.

A property that caught fire and cause of fire is sabotage, but no claim is payable although you had cover a "Property All Risk" policy. Reason is that you do not extent cover for Malicious Act.

Meanwhile, should this prove to be more than a temporary scare, policy makers who have pulled out all the stops already to encourage risk-taking will be back to square one .