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.

Analysis bridges differences between various climate change models to predict North American climate change with high certainty. Will skeptics finally be convinced?

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

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

No half-done couch here; there's a big place to sit and socialize.

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

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

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

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

Going for LEED Platinum in an affordable townhouse with clean modern design

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.

They are as gutsy and gritty as ever.

This is very smart marketing, and not a bad looking bike.

We have gone beyond gentrification and are now talking about Pikketyfication, aristocratization and plutocratification.

If you could see "aural litter" you would be shocked at how much of it there is.

This is the future of building, and it works. Get used to it.

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

In Toronto and New York, Vision Zero is just talk. It's time for action.

But Passive House is so expensive! How can you build housing for the homeless and low income families this way?

Because shipping containers are designed to move and these ones might have to.

They actually might in certain cases, using off-peak power at peak times.

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.

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.

A lot of the permaculture design principles make just as much sense for buildings.

Canadian birch hauled out of Canada's Ottawa River adds resonance and tone.

Three new private preserves have opened in Peru to buffer existing national parks. Is this the sign of a new trend?

Designer Michelle Sheppard creates sustainable garments with a connection to cultural traditions.

Peruvian environmental authorities make a big statement with tiny turtles.

Nicolas Laisné's vast project is a very different kind of office development.

New research documents that mantises worldwide are eating small birds; in the US, invasive mantis species are devouring hummingbirds.

The CDC has updated its US range maps to show the which mosquitoes are moving where.

"It's not just about the bees, it's about the survival of humanity"

Pesticides make lawns unplayable.

With news that Southwest is allowing mini horses on flights, here's what to know about these petite equine wonders.

It does a lot more than just get you from floor to floor, in this interesting Korean courtyard house.

This multifunctioning stair hides a generous bookcase underneath.

A health insurer practices what it preaches.

Want to get quickly into the tree canopy? This modular set of stairs can be quickly and easily wrapped around any tree, without doing damage to the trunk.

Architect Tamir Addadi squeezes a lot into a very small space

It feels much bigger than it actually is, and does not feel weird at all.

And when you get to the top of this, you deserve a treat.

Michael Janzen comes up with an interesting and elegant design. But is it safe?

Neri&Hu turn climbing the stairs into an experience for Bloomberg in Hong Kong.

160 tons of steel and 10 tons of copper never looked so good

There's more than one way to go up in a small space, and this is one smart alternative.

These incredible images sent back by the Juno spacecraft gives us a detailed look at Jupiter.