Treehugger

A study investigates the effect of air conditioning systems on air temperature and electricity demand. The study's findings: the release of waste heat (via AC systems) exacerbates the nocturnal urban heat island, thus increasing cooling demands.
Jul 23, 2014   Treehugger
The direct sales model of Tesla has led many states, at the behest of auto dealer interests, to block the sale of the vehicles. Treehugger drew up a map to give a clear picture of where Tesla is welcome.
May 25, 2014   Treehugger
For years, architects have promoted the possibilities of transforming shipping containers into housing. But design and functional challenges make that process difficult. With its shippable modular buildings, MEKA may have found a livable alternative.
Jan 6, 2014   Treehugger
Thriving bike share systems in DC and NYC are models for success. But other cities have struggled to create sustainable systems (DC's first effort failed, in fact). A new report offers a comprehensive guide to establishing bike share in your town.
Dec 6, 2013   Treehugger
It may be hard to image fleets of cargo bikes replacing the large polluting trucks that tear up our city streets. But a European Union project estimates that the majority of freight in 322 cities studied could be moved by cargo bike.
Oct 8, 2013   Treehugger
Perkins + Will, the architecture firm behind a new residence hall at Bridgewater State University, have attached an unusual provision to their green design: no mini-fridges or personal microwaves allowed.
Oct 7, 2013   Treehugger
For a possible answer, look to Mackinac Island, Michigan, where cars have been banned for 115 years. Does chaos ensue when the island's population grows to 15,000 during the summer tourist season? Not quite, says Stephen Messenger.
Jul 1, 2013   Treehugger
Lloyd Alter dismantles the aggrandizement of the new LPL Financial building being developed by Hines in La Jolla, California, which a recent press release touts as the "Largest Net-Zero Energy Commercial Office Building in U.S."
Jan 4, 2013   Treehugger
Last month we came across an ingenious idea for making your sidewalk frustrations known to offending amblers, while sidestepping the dangers of verbal confrontation.
Nov 16, 2012   Treehugger
Lloyd Alter investigates the individuals and organizations "manufacturing" the anti-Agenda 21 campaign, and argues that "Big Oil" is helping to bankroll anti-sustainability efforts.
Jul 10, 2012   Treehugger
While cities across North America work diligently to expand their bicycle infrastructure, Toronto appears to be headed in the opposite direction, and local bike enthusiasts are taking to the streets to voice their opposition, reports Lloyd Alter.
Jun 15, 2012   Treehugger