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Ecosystem

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Because dogs aren't eating a diet that's made up of what's found within an ecosystem, their feces poses the risk of introducing foreign bacteria and germs to an area. An off-leash dog is more likely to poop in an area where it's unsafe or irresponsible to retrieve their feces. However, by leaving it behind, it can introduce things that may harm the local ecosystem.

Our nation has more than 95,000 miles of shoreline, home to 40 percent of Americans who live in coastal counties. Our blue economy, including fishing, ocean farming, shipping, tourism and recreation, supports more than 3.25 million American jobs and a $300-billion annual contribution to our gross domestic product. And, for many, our cultural heritage is tied to the sea.

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BERLIN — The number of flying insects in Germany has been dropping at an "alarming" rate that could signal serious trouble for ecosystems and …

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SOUTH ARI ATOLL, Maldives — There were startling colors here just a year ago, a dazzling array of life beneath the waves. Now this Maldivian r…

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Saturday night belongs to the documentary epic "Planet Earth II" (9 p.m., BBC America, TV-PG). Presented a full decade after "Planet Earth," t…

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BOISE, Idaho — A year after Interior Secretary Sally Jewell shifted the national approach to fighting wildfires across a wide swath of sagebru…

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UNTAVI, Bolivia — Overturned fishing skiffs lie abandoned on the shores of what was Bolivia's second-largest lake. Beetles dine on bird carcas…

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