Trees

Europe's Most Irritating Public Artist

Many urban dwellers would no doubt like to give Austrian artist Michael Heindl a piece of their minds.

White Roofs Cool Cities More Than Trees

Reflective roofing programs may also be a vast deal more effective than green ones

How Many Trees is Enough?

When it comes to reducing pollution, the key isn't the number of trees you plant but where you plant them

Mapping the Trees of New York, One by One

The TreeKIT project aims to make it easier for residents to help care for neighborhood trees

The Economics of Urban Trees

A little greenery can go a long way when it comes to property values

Newcastle, Australia, City Council Wants to Fire Themselves

A years-long controversy over fig trees is wearing away at some local officials