There's no mystery why gas mileage is not as good in the winter, but there are some things you can do to make it better.

The fast food chain will also take old plastic toys and melt them down for repurposing.

As nanoparticles spread widely into consumer products as well as offering great technological promise in certain applications, how can we judge the risks?

This could be why so many people ignore global warming.

There are 1.2 million real ones, but most of it is all about the show.

It's got all three: low transportation energy, low embodied carbon, low operating energy.

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

The limited edition pieces are designed to give plastic waste a second life.

The skin of MVRDV's new Milestone office building is very busy.

Pull out the ionization detectors and go photoelectric.

Don't Blink or You'll Miss It! Google has created a series of video ads called "Search Stories". They're basically short vignettes showing some cool projects that were made possible by people finding the right information (using Google, of course). The

Western Michigan University is installing solar-powered electric car charging. But it has to chop down nine trees to do it.

The Michigan basin has extensive shale gas reserves, yet it is not a political issue for Democrats or Republicans. Why?

Researchers propose using the vibrations of the heart to keep pacemakers going, eliminating the need to replace batteries.

It is a few years old but a real find. We probably won't see the likes of it again for a while.

Should we be eating more beef in order to slow global warming? It sounds counterintuitive, but it may be so: Cattle could be part of the whole ecological equation to solving climate change and restoring healthy,

As you walk across the stately lawns of many college campuses, you might not put much thought into what it takes to keep those lawns so neatly trimmed and manicured. Well, that is unless you're being woken up after a long night of "studying" to the

Is it time to ban these useless and unnecessary noise and pollution machines?

Here at TreeHugger we've long documented how every major religious group has come out supporting strong action on climate change, so the following irony, pointed out by Climate Progress shouldn't come as a shock: Even

photo: Rebecca Wilson/CC BY Editors note: The following guest post is by Sadhvi Bhagawati Saraswati an American-born renunciate at Parmarth Niketan ashram in Rishikesh, India (full bio below). While this post may be a bit broader than other items in the

An interesting step towards eco-friendly spiritual travel: The Alliance of Regions and Conservation, working with WWF, is about to launch the Green Pilgrimage Network. The program, to formally kick off at an event in

Two hundred evangelical scientists recently wrote a letter to Congress making the religious case for passing climate change legislation.

Rev. Richard Cizik and the nonprofit New Evangelical Partnership for the Common Good have released a video message to President Obama calling on him to do more to protect public lands from destruction by private industry.

In a compromise with environmentalists, the energy giant is committing some significant resources to clean tech.

It turns out leaving the EU is quite hard. Who knew?

It's not just renewables that are driving down emissions.

E-waste is a big problem, but there is also a counter-trend that helps fight it.

Fewer solar panel manufactures are willing to share information about their manufacturing practices, and that can't be good news.

The disks are coated with zinc oxide nanorods that break apart organic molecules in sewage.

There's a lot to look forward to, but what should we expect to see more of in the short-term?

The machines are popping up at grocery stores in Norway.

Picture this: In 2016 the world generated enough e-waste to fill a line of 18-wheelers from New York to Bangkok and back.

We're all friends here, right? So I can talk honestly?

The app lets kids and adults alike explore, measure and test the world around them.

Alphabet's X moonshot factory spins out a ground source heat pump company.

Alphabet, Google's parent company, is experimenting with a new energy storage technology.

Unfortunately, people like the slogans a bit too much.

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

They are one of the most iconic features of the city, but some of them are really scary.

A new study shows that in fact, if you build them, people use them and drive less.

Talk about slashing food miles; 'fresh from the roof' is as local as it gets.

Part art, part meditative process, these works are created with plant material harvested from the artist's urban garden.

Electric bikes are the great leveller; a lot more people will be doing this.

Wood smoke is a huge source of particulate pollution and really shouldn't be in residential neighbourhoods. But the flavour...

Following anti-Monsanto activism in other countries, Poland has announced plans to completely ban the growth of Monsanto’s genetically modified strain MON810.

Jacob and Brian look at chicken pre-marinated with Prozak, the blackest solar cell ever, and Poland and Vermont's fight against Monsanto.

A judge has ruled against Monsanto; company complains that it would drive some customers away. Unsealed documents add to drama.

From scooters to cargo bikes, a bunch of alternatives to driving that car.

E-bikes will eat cars, and H2 bikes will eat Toyotas.

It's basic math. Sure, e-scooter injuries are way up. But let's keep it in perspective and look at what the real problem is.