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Humans causing catastrophic ecosystem shifts, study finds

2015-07-01 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Reuters: Never before has a single species become the top predator on land and sea, and human dominance over the natural environment has caused shifts in world ecosystems unprecedented in the last 500 million years, researchers said on Tuesday. Human activity is leading to an international decline in the variety of plants and animals through extinction, as organisms not useful to human needs are killed off by ecosystem changes or over-exploitation, according to a new study. The biggest immediate losers...

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