The impact of global warming is already being seen around the world. North America is the largest victom that is bearing the brunt of Climate change........ The vast North American continent that ranges from Iush sub-tropical climate of Florida to the frozen ice and tundra of the Arctic, are facing the wrath of global warming. Incidentally, within these extremes are two wealthy industrialized countries with diverse ecosystems at risk. Yet the United States and Canada are two of largest global emitters of the greenhouse gases that contribute to a global warming climate. Examples of all 10 of the "hot-spot" categories can be found in this region, including changes such as polar warming in Alaska, coral reef bleaching in Florida, animal range
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