and really, are Christmas lights screwing up your Wi-Fi?

also: recycling in crisis, how we will live in 100 years.

Scientists hope the technology that filmed it can make fishing more sustainable.

It is the battle of the M&Ms; vs the L&Ls; the Munk debate in Toronto about the statement "Climate change is mankind's defining crisis, and demands a commensurate international response" with Bjorn Lomberg and Nigel Lawson duking it out

George Monbiot on how electric vehicles are not the answer.

These spikes might be intermittent. But they are getting bigger and more frequent.

It wasn't too long ago that biofuels were basking in the glow of nearly everyone's approval - a quick fix for reducing CO2 emissions from transport. The EU aims to fill 10% of its transport needs with biofuels by 2020. But biofuel's easy ride may be

In the northeastern reaches of Turkey, outside the city of Kars, I came across one of the most bucolic scenes I'd ever laid eyes on in the

Norwegian architect Marianne Borge is designing a series of them in different sizes.

Tim had planned on working at a Salt Lake City Unitarian church doing social outreach. That is, until the Federal Bureau of Prisons decided that wasn't a "safe" occupation for the climate activist.

It's like watching paint dry.

In a country covered in wood, by a lake far from construction workers, it makes so much sense.

The plyscraper era has begun as Cross Laminated Timber towers start popping up everywhere.

Researchers have found that an Alzheimer's drug triggers dentine regrowth, eliminating need for fillings.

If you follow the seasons with your diet you will love this.

On National Walking Day, a look at how putting cars first kills people who walk and drive.

A new article published in the online journal PLoS ONE takes on the issue of energy sprawl -- namely how much land is required to produce energy from different sources -- under different potential US energy and climate policies in 2030.

Is the conventional wisdom that we need not worry about tailpipe emissions in biofuel-powered vehicles, because the plants had been absorbing carbon while growing, grossly misguided?

With limited hours in the day, many U.S. schools are prioritizing lesson time over lunch time, leaving kids hungry and miserable.

The UK organization wants schools to incorporate that time into their daily curriculum.

There is sharing, there is abuse, and there is theft. Susie Cagle takes a tough look at the subject.

At Woodrise 2019, Katerra CEO Michael Marks wows the wood world.

Aiming to raise awareness about e-waste recycling, this photographer used 4,100 pounds of e-waste in these futuristic scenes.

Pull out the ionization detectors and go photoelectric.

The message "Electrify Everything!" is beginning to spread.

The proposal for redeveloping Toronto's waterfront into a green, sustainable, urban tech hub is controversial.

And a big part of the pitch is sustainability and comfort.

This weekend's New York Times Magazine was their annual food issue, about a subject dear to TreeHugger's heart: "how the food revolution- from farm to table- is really a story about seeding and savouring communities." Christine Muhlke, in Growing

Can hotels be 100% eco-friendly and affordable? I tried out Starwood's Element Hotel in NYC to find out how far a 411-room urban hotel can go green. The result is mostly positive with a few letdowns.

It's not rocket science, it's building science, and it's all here.

Taking advantage of the Federal stimulus package, Maryland's Governor O'Malley announced the State's intention to purchase hybrid 100 hybrid diesel/electric buses for $62 million.

Baltimore residents, get ready to get in on the smart grid party. Baltimore Gas & Electric has just announced that it has filed paper with the Maryland Public Service

Wikipedia carries a definition of Arabbers which includes this:An arabber (or a-rab) is a

By now you've probably heard that adopting a vegetarian diet, or at least cutting way down on you meat consumption, is a great way to reduce your ecological footprint and get some great health benefits at the same time. Now

Researchers found that a 10 percent increase in trees roughly matched a 12 percent decrease in crime in Baltimore.

These lovingly photographed, colourful rowhouses are what's left after all the neigbouring ones have been demolished.

They are certainly more reflective, but that's not the only thing that matters.

From the green roof down to the electric boat, there are so many interesting aspects of sustainable design.

While global warming naysayers seem content to continue flouting the overwhelming scientific consensus in favor of this anthropogenic phenomenon, they seem to have gotten one point largely right: hurricanes didn't suddenly begin massing over the past

It's not enough to not make things worse. Our buildings and our actions have to make things better.

We have to reconsider what is "acceptable for how houses should look and feel."

It also can put people back to work and save our forests.

How my thinking has evolved in the last decade

Cars are killing us, and it is time to limit the damage to drivers and to people around them, just like we did with smoking.

Agriculture has become the single largest driver of climate change. It's time to start farming for the whole planet.

Hydrogen trains are now running in Germany. But are they really green and do they make any sense?

I know there are lots of transit map fans out there. It's a modern art-form for sure! Take a look at these original time-scaled maps.

The wind has never been this beautiful...

Lack of diversity makes grapes vulnerable to climate change.

Carbon dioxide continues as the main concern, but we ignore methane at our own risk