"There has been a lot of improvement in Rio but there is still a lot more to be done in terms of security, mainly more preventive actions, alerting tourists both foreign and domestic of the precautions they should take, neighborhoods to avoid, " he said.

NPR: Rape, Kidnap Of Tourists Feed Rio Safety Fears

Much more must be done for preventive mechanisms and for actions to address the root causes of violence against journalists and of impunity.

UNESCO: World Press Freedom Day 2013

Examples of preventive conservation are: appropriate measures and actions for registration, storage, handling, packing and transportation, security, environmental management (light, humidity, pollution and pest control), emergency planning, education of staff, public awareness, legal compliance (source: ICOM-CC definition).

UNESCO: CULTURE

Preventive conservation refers to measures aimed at avoiding or minimizing deterioration or loss, meaning that actions are carried out within the context or in the surroundings of an object or group of objects, whatever their age or condition.

UNESCO: CULTURE