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Plants Play Greater Role Than Megaherbivore Extinctions in Changes to Ecosystem Structure

Plants may have exerted greater influence on our terrestrial ecosystems than the megaherbivores that used to roam our landscapes, according to new research.

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Snowfall Patterns May Provide Clues to Greenland Ice Sheet

The Greenland Ice Sheet is melting, discharging hundreds of billions of tons of water into the ocean each year. Sea levels are steadily rising.

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Algae-Forestry, Bioenergy Mix May Help Make CO2 Vanish From Thin Air

An unconventional mélange of algae, eucalyptus and bioenergy with carbon capture and storage (BECCS) appears to be a quirky ecological recipe. But, scientists from Cornell, Duke University, and the University of Hawaii at Hilo have an idea that could use that recipe to help power and provide food protein to large regions of the world – and simultaneously remove a lot of carbon dioxide from Earth’s atmosphere.

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Measuring the Risks of Extreme Temperatures on Public Health

Heat and cold waves affect people with certain health conditions differently, highlighting the need for tailored public service risk communication.

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Large Wildfires Bring Increases in Annual River Flow

Large wildfires cause increases in stream flow that can last for years or even decades, according to a new analysis of 30 years of data from across the continental United States.

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Brief Exposure to Tiny Air Pollution Particles Triggers Childhood Lung Infections, Largest Study of Its Kind Finds

Even the briefest increase in airborne fine particulate matter PM2.5, pollution-causing particles that are about 3% of the diameter of human hair, is associated with the development of acute lower respiratory infection (ALRI) in young children, according to newly published research.

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Crowded Urban Areas Have Fewer Songbirds Per Person

People in crowded urban areas – especially poor areas – see fewer songbirds such as tits and finches, and more potential “nuisance” birds, such as pigeons, magpies and gulls, new research shows.

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The fishy problem of underwater noise pollution

We now know that the underwater world is anything but silent. In fact, today’s researchers are concerned that underwater noise produced by humans is distracting, confusing — and even killing — aquatic animals.

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Small Mussels with Big Effects: Invasive Quagga Mussels Eat Away at Great Lakes Food Web

Since hitching unsolicited rides in boat ballast water in the late 1980s, invasive quagga mussels (Dreissena rostriformis bugensis), which are native to Ukraine, have caused massive changes to the ecology of the Great Lakes.  These invasive mussels have also taken a toll on the Great Lakes recreational and commercial fisheries, which are valued at $4-7 billion annually according to Michigan Sea Grant.

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To Impress Females, Costa’s Hummingbirds “Sing” With Their Tail Feathers

In the world of Costa’s hummingbirds, it’s not size that matters—it’s sound. During breeding season, male Costa’s perform a high-speed dive during which they “sing” to potential mates using their tail feathers.

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