Changes for page 1. Environment

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1	1	[[An overview of the environment, showing multiple hazard zones and FR teams. >>image:Environment Stakeholders - no whitespace.png||alt="Environment + Stakeholders (1) - Copy.png" data-xwiki-image-style-alignment="end" height="674" width="956"]]
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3		-USAR environments are **hazardous, unpredictable, and physically demanding**. Major incidents like earthquakes, explosions, or structural collapses turn urban areas into disaster sites filled with rubble and dangers First responders operate amid unstable debris and harsh conditions to locate and rescue survivors. Key characteristics of the USAR environment include:
	3	+USAR environments are **hazardous, unpredictable, and physically demanding**. Major incidents like earthquakes, explosions, or structural collapses turn urban areas into disaster sites filled with rubble and dangers[[en.wikipedia.org>>url:https://en.wikipedia.org/wiki/Urban_search_and_rescue#:~~:text=Structural%20collapse%20incidents%20can%20comprise,heavy%20and%20often%20unstable%20debris]]. First responders operate amid unstable debris and harsh conditions to locate and rescue survivors. Key characteristics of the USAR environment include:
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5		-* **Unstable Structures & Debris:** Collapsed buildings create piles of concrete, steel, and rubble. There is constant risk of secondary collapse or falling debris. Responders must often shore up structures or crawl through confined voids. Safety is the top priority in this degraded environment.
	5	+* **Unstable Structures & Debris:** Collapsed buildings create piles of concrete, steel, and rubble. There is constant risk of secondary collapse or falling debris. Responders must often shore up structures or crawl through confined voids. Safety is the top priority in this degraded environment[[sciencedirect.com>>url:https://www.sciencedirect.com/science/article/pii/S2212420921005069#:~~:text=,primary%20concern%20of%20USAR]].
6	6	* **Multi-Hazard Conditions:** Sites often involve **multiple hazards** simultaneously – broken gas lines (risk of explosion), hazardous materials (chemical spills or asbestos), fire, flooding, or even aftershocks in earthquake scenarios. Personal protective equipment (PPE) and continuous hazard monitoring are essential.
7	7	* **Extreme Environments:** Operations can occur in extreme weather (freezing cold, heat, heavy rain) and at any time of day. Poor visibility from dust or darkness is common, as is high noise from tools and chaos (image here: low-visibility rubble environment). These factors add to responder fatigue and stress.
8	8	* **Logistical Challenges:** The area may have no electricity, water, or basic infrastructure. Teams establish a Base of Operations in the field, managing their own power, lighting, and supplies for self-sufficiency (often for 72+ hours). Communication networks might be down or unreliable, complicating coordination.