urban heat island

2:30 pm
Wed October 8, 2014

Louisville Workshop Will Train Citizen Foresters to Plant Trees, Teach Others

One of Louisville's many ash trees.
Credit Erica Peterson / WFPL

Area residents interested in learning how to properly plant trees—and training others to do the same—are invited to a citizen forestry workshop this Saturday organized by non-profit Louisville Grows.

Valerie Magnuson, executive director of Louisville Grows, said with the current state of Louisville’s tree canopy, it’s even more necessary to have as many people as possible trained to plant and care for trees.

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1:15 pm
Wed August 20, 2014

Louisville's Urban Heat Islands are Among Most Intense, Fastest-Growing in the U.S., Report Says

A satellite image showing surface temperatures in Louisville.
Credit Climate Central

A report released Wednesday by a climate change nonprofit has ranked Louisville among the top 10 U.S. cities with a serious urban heat island effect.

Urban heat islands are areas where cities are substantially hotter than surrounding rural areas. This is exacerbated by factors such as large swathes of paved surfaces and declining tree canopies.

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6:55 am
Wed June 18, 2014

Louisville Needs More Trees to Curb Fast-Growing Urban Heat Island Effect, Researcher Says

Credit Urban Climate Lab/Georgia Institute of Technology

Downtown Louisville residents live in one of the fastest growing urban heat islands in the U.S., according to preliminary results of an ongoing study.

A city’s urban heat island effect is defined as the temperature difference of rural areas compared to downtown areas.  That temperature difference in Louisville ranked highest among 50 of the country’s largest metropolitan areas, according to the study by Brian Stone, a professor of City and Regional Planning at Georgia Tech.

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7:00 am
Thu May 8, 2014

Louisville Picks a Firm to Assess the Tree Canopy

Credit Census Data / Wikimedia Commons

Metro Louisville has hired a firm to do the city's first tree canopy assessment.

The city has a long-term goal of getting to a 45-percent tree canopy coverage, with specific goals of minimizing the urban heat island effect and improving stormwater drainage. It could also reduce smog and ozone alert days "by cooling the city's atmosphere," the city said.

The assessment is meant to help the city reach that goal. Davey Resource Group will undertake it.

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5:40 pm
Mon September 16, 2013

Louisville Could Benefit From a Tree Ordinance, Expert Says

Census Data Wikimedia Commons

Louisville’s tree canopy has been reduced in recent years by invasive pests and storms. Several steps have been taken to begin looking at the issue, but the city still lacks a comprehensive tree ordinance.

Enter Ed Macie. He’s a regional urban forester with the U.S. Forest Service who’s been helping cities craft tree ordinances for decades. And he’ll be in Louisville today and tomorrow to discuss the benefits of such an ordinance.

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8:00 am
Mon June 24, 2013

Trade Group Promotes Concrete as Partial-Solution to Louisville's Rising Temperatures

The Kentucky Ready Mix Concrete Association is renewing an advertising campaign to inform the public about Louisville’s recurring problems with the urban heat island effect.

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