LA lawns lose lots of water: 70B gallons a year

In summer 2010, Los Angeles was losing about 100 gallons of water per person per day to the atmosphere through the evaporation and plant uptake of lawns and trees. Lawns accounted for 70 percent of the water loss, while trees ...

Cities throw shade at rising heat

Rudy Lane is a two-lane road that curves through the leafy suburb of Windy Hills east of Louisville, Ky. Broadway is a main drag downtown where the federal and state courthouses bump up against the 1920s-era Brown Hotel.

Reforestation in urban landscapes

Decades after abandonment as a residential and industrial dump, the Tifft Nature Preserve in Buffalo, New York, is not regenerating itself with canopy trees native to Western New York. Research reported in "Canopy trees in ...

Hold the nectar, these butterflies feed on galls and honeydew

While most butterflies feed on nectar from flowers, researchers from the University of Connecticut believe that northern oak hairstreaks feed on non-nectar sources such as oak galls and honeydew from aphids and other insects.

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