Search results for deciduous trees

Environment Nov 19, 2019

Study finds a green solution in halving children's pollutant exposure

Simply planting a hedge in front of a park can halve the amount of traffic pollution that reaches children as they play, finds a new study by the University of Surrey.

Environment Nov 18, 2019

Climate change could double greenhouse gas emissions from freshwater lakes

Every drop of fresh water contains thousands of different organic molecules that have previously gone unnoticed. By measuring the diversity of these molecules and how they interact with the environment around them, research ...

Plants & Animals Oct 28, 2019

Preserved pollen tells the history of floodplains

Many of us think about pollen only when allergy season is upon us.

Plants & Animals Oct 21, 2019

Why don't evergreens change color and drop their leaves every fall?

It's autumn in the Northern Hemisphere—otherwise known as leaf-peeping season. Now is when people head outside to soak up the annual display of orange, red and yellow foliage painted across the landscape.

Environment Oct 7, 2019

Extremely dry, hot conditions this fall causing early, muted foliage display

With last year being the wettest year on record in Pennsylvania, and this year staring out wet again, 2019 was set up to be the mother of all fall foliage displays. Trees in most areas were in great condition going into late ...

Earth Sciences Sep 12, 2019

Forests emit carbon dioxide during heatwaves

Forests absorb a lot of CO2 from the air in the summer, but during the heat wave at the end of July, forests in the Netherlands emitted CO2. This is shown by measurements taken by the University of Twente.

Earth Sciences Aug 30, 2019

More frequent fires could dramatically alter boreal forests and emit more carbon

These days, smoke-filled summer skies and dusky red sunsets are a common occurrence across Canada and the United States. Much of that smoke is coming from large northern wildfires.

Environment Aug 29, 2019

How changes in land use could reduce the browning of lakes

Over the past 50 years, the water in lakes and watercourses has turned increasingly brown. The so-called browning has a negative impact on both drinking water production and ecosystems. If nothing is done, the water is likely ...

Environment Aug 26, 2019

Wildfires could permanently alter Alaska's forest composition

This summer, Alaska has experienced record high temperatures and devastating wildfires. If such events become more frequent, how might that impact our northernmost forests? A team of researchers led by the Department of Energy's ...

Environment Aug 21, 2019

Choosing trees with a liking for heavy metal

Which species of trees should we be planting in the urban environment to best soak up pollutants containing toxic heavy metals? Stefanos Tsiaras of Aristotle University of Thessaloniki and Theano Samara of the Forest Research ...

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