Why are trout so vulnerable to global warming? It's simple: the trout is a cold-water fish that thrives in streams with temperatures of 50-65 degrees Fahrenheit. In many areas of Pennsylvania fish already live in water temperatures at the upper end of their tolerance range so even slight warming could make streams uninhabitable for them. Our hemlock trees are also struggling in warmer temperatures. Their decline, and the shade they provide on these streams, will exacerbate the situation.
Rapid climate change could trigger wars over not only fresh water, but also over food, infrastructure and energy and could create thousands of refugees. We already saw the humanitarian crisis caused by Hurricane Katrina when our government was unable to maintain law and order and poorly coordinated rescue attempts and relief efforts.
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