Research

Carbon Offsets & the Urban Forest

The California Global Warming Solutions Act (AB32) calls for a 25% statewide reduction of greenhouse gas emissions by 2020. How are you responding? Urban forest offset projects are in their early stages and there is uncertainty as to their effectiveness. However, by...

A Good Tree Read

A Good Tree Read

Dr. Matt Ritter and his book "A Californian's Guide to the Trees Among Us" has been featured in a great review by Joan S. Bolton of the Santa Maria Times. This book is perfect for both the novice and the person with extensive knowledge of the trees in their...

Invasive Citrus Insect Spotted in Highland Park

A dangerous pest that is threat to Los Angeles' many citrus trees has been spotted in Highland Park, according to the California Dept. of Food and Agriculture. The pest is called the Asian citrus psyllid, and it is confirmed to be in Imperial, San Diego, Orange,...

Particulate Matters and Urban Forestry

The World Health Organization (WHO) released a report last week stating that more than 1 million deaths from pneumonia, asthma, lung cancer and other respiratory diseases could be prevented worldwide each year if countries took measures to improve air quality.  This...