Weak regulations mean an extra dose of toxic wastewater for some states, like Ohio.

10 coal plants in Chicago, Ohio, Pennsylvania, and New Jersey will be shut down sooner than expected.

A 18-foot-wide helix turbine specially designed for urban spaces has been installed on the roof of Progressive Field, ready to begin churning out energy on opening day.

"I was shocked when I saw the tree. It was cut down, the head was lopped off, it was so upsetting," said one Cleveland business-owner.

It's déjà vu all over again, with the old guard trying to stop the newcomers...

This series of composting furniture designs aims to "integrate worms and people into interdependent domestic bliss."

It's déjà vu all over again, again! Auto dealers have been fighting Tesla Motors on multiple fronts for a while now, trying to either force them to do business with the traditional sales model, or be prohibited from selling in certain states.

The wood and plastics industry prefers Green Globes and is designing laws around it. Paging Jerry Yudelson.

Toxins leached out of old coal mines in the American Rust Belt are converted into custom paints.

Swing-lovers will appreciate this massive art installation that combines art, architecture and play.

The basketball star has a soft spot for bikes, which he says gave him important freedom as a kid.

If this video of the 3rd annual Brompton World Championships got US folding bike enthusiasts excited, then they'll be delighted that for the first time ever, a national US Brompton championship is to be held in March

The hot young Swedish firm We Are You came third in a competition to design a new bicycling center in Philadelphia. (They must be really young- entry criteria include only those who graduated later than 2007). Its mission: "to promote bicycling in all

Philadelphia architects Interface Studio are known to TreeHugger for their work with PostGreen and on the 100K house. They have also just completed a modular student residence at Temple University that really does demonstrate

Quoting directly from the Philadelphia Eagles presser: "The Eagles have contracted with Orlando FL-based SolarBlue, a

I thought we were being edgy when we gave Interface Studio Architects the Best Residential Architect Award as part of Best of Green this year, but I could not help but love the 100K house. Evidently neither could the US Green

Nic Darling is part of Postgreen Homes, builder of the 100K house and others that I have raved about; Postgreen is a different kind of developer, working in gritty urban parts of Philadelphia, doing smaller, more affordable

There is a certain irony in the fact that some of the best biking in the U.S. is in an area where people have rejected the modern world -- including bikes (for those of the Old Order).

The mixing of old and new is one of the toughest things to deal with in architecture. Do you try to blend in, doing faux old, or stand out in contrast? Does everything get perserved in amber or can

A new football stadium in Philadelphia is in the running for the unofficial title of "Greenest Stadium in America."

Open terrace in Kimmel Center was too hot or too noisy; now it's fixed.

Are solar-powered trash cans a fuel-saving, money-saving way to keep the streets clean? Or are they worse than regular trash cans?

Partnering with a forest conservation non-profit to plant a tree for every watch purchased, Analog Watch Co. creates chic timepieces out of recycled wood.

One more city joins the bike sharing club, providing its citizens with a great, healthy, and green way to get around.

Philly has more than 2X the number of bike commuters per capita of NYC.

On the whole, I'd rather be in Philadelphia, eating Philly Greens.

The mayor has portrayed the controversial soda tax as a great source of revenue with which to do fabulous things for the city, rather than a benefit for public health.

It's almost like there is a concerted campaign to turn distracted walking into a serious problem.

Turns out he was doing 46 miles per hour in a 25 mile-per-hour zone. But let's all blame the girl for distracted walking!

The Timber Towers Project seeks to demonstrate the viability of a mass timber high-rise.

These sliver towers are incredibly inefficient and even have fake mechanical spaces to make them even taller. We all pay the price in carbon.

Smart cities are not a panacea, and the New York Times is on it.

One Passive House architect gives his clients what they want.

A contemporary design for an earthquake-resistant, modular home.

This is shipping container architecture that makes sense.

Made with a tight budget and schedule, this structure was up and running within a matter of weeks.

I mean, shipping containers are hot. But does this kind of shipping container architecture make sense?

This kind of shipping container architecture makes sense.

This kind of shipping container housing makes sense

This architect converted a shipping container to accommodate an expanding office.

This cozy and compact dwelling out of Oregon packs one bed, one bathroom, a kitchen and porch.

Drivers used to get away with murder; new legislation is much stronger.

Almost two years after a ketchup snub sparked a patriotic backlash in Ontario, sales for French's ketchup remain strong.

Wiarton Willie saw his shadow this morning, which means the cold weather will stick around.

Going green is going too far in the Province of Ontario

Doug Ford, now leading in the polls, wants to open up more of it for development.

It's partially built out of Cross Laminated Timber; it "immerses students in this relatively new product."

Does it make sense putting this in a small town up on the Canadian Shield?

Architect Jonathan Kearns shows that you can have it all.

Just what we needed in what was a decarbonizing planet.