One more example of how words can become completely meaningless and even contradictory.

Instead of banning cars from city centers, this automaker recommends elevated roads for electric bikes & scooters to ease congestion and emissions.

Ed. note: This is the fourth post in the Green Basics series of posts that TreeHugger is writing to provide basic information about important ideas, materials and technologies for new greenies (or those who just need a quick refresher). Read on and stay

CFL bulbs, or compact fluorescent light bulbs: energy savings Commonly referred to as CFLs, compact fluorescent lamps or compact fluorescent light bulbs, the energy-saving bulbs have escaped the stereotype of buzzing, flickery, washed-out lights to

In addition to metrics like ecological footprint, each of us (and each of the products and services we use and consume every day) has a carbon footprint; it's a way to measure the relative impact of our actions -- as individuals, as businesses,

Getty Images Volatile organic compounds: something's in the air You can't see them, but they're all around us. They aren't listed as ingredients on the objects we bring in our home, but they're often there. They're volatile organic compounds, or VOCs, a

Reducing your carbon footprint and building community go hand-in-hand toward creating a better planet.

Researchers were shocked to discover what part of the bread-making process generates most emissions.

A technology developed at a national lab for improving carbon capture at power plants may be able to help craft breweries capture and reuse CO2 from their fermentation processes, while also slashing costs.

Excessive population growth presents an immediate environmental danger greater than climate change.

On a more positive note, the report also notes that population growth with stabilize sooner than expected, at about 8 billion people by 2042.

The most recent U.N. demographic projections show world population growing to 9.3 billion by 2050, an addition of 2.3 billion people.

This large format photo book features hundreds of stunning images highlighting the effects that our global population of 7 billion (and growing) has on the Earth.

Population growth is in fact slowing down but everyone is using more of everything.

Sometimes we should just let a bad idea die.

Some useful tools for working on a 1.5 degree lifestyle.

Researchers gathered data over two years by following 70 different dogs, from 37 different breeds, as they... defecated and urinated.

Researchers are experimenting with software and a smart harness for carrying out basic dog training.

The wind has never been this beautiful...

The overhaul now includes the Voyager feature for deep exploration, not just satellite views.

Making sure the water you're about to drink is free from pathogens is a snap with this portable UV Purifier.

A Toronto city councillor is going to try.

Trump would rather keep humans out of the country than saltwater.

It's time for some fareness.

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

A comprehensive look at why it is a problem, and who is fighting change.

Not just for barbecues, some companies are switching over completely.

Who says we have to choose between jobs and the environment? The U.S. Environmental Protection Agency is starting a sort of Public Works program for the Great Lakes --- prioritizing funding for restoration projects that put the

Bloody red shrimp are invasive, but yummy for some native Great Lakes fish. A first-time find by Canadian researchers.

In a new video, Greta Thunberg and George Monbiot explain that we must use nature to fix our broken climate.

Delivered to the UN Committee on the Rights of the Child, the group of 16 alleges that climate crisis inaction constitutes a violation of child rights.

Climate change is affecting sea ice, which will have a direct impact on survival for many colonies of Emperors.

Australian Antarctic Division captures a vision of curious penguins ready for their close-up.

Award-winning photographer Sue Flood braved the extremes to bring us this marvelous new book, Emperor: The Perfect Penguin.

It turns out you can still be a high-performing athlete on a plant-based diet.

This young man's mortgage-free home includes an interesting self-built version of the rare species known as the heated ceiling.

I tasked myself with buying no plastic bottles for the year; here's how it's going so far.

This year, Gandhi's birthday will be marked by a national crackdown on six specific plastic items.

It's time we stopped greenwashing plastic alternatives and realized they do more harm than good.

And researchers estimate there's another 3 trillion pieces in surface sediments.

American organic farmer Eliot Coleman explains how his innovative winter gardening methods work, allowing growers to harvest veggies year-round.

Who says you can't have both beauty and efficiency?

Despite needing to pay a hefty tuition bill this fall, Hannah Rousey refused to take money from Poland Spring Bottling Co., a subsidiary of Nestlé.

The Triumph Elm is being set up on Michigan Avenue in downtown Chicago in honor of Arbor Day this Friday (and you thought the fun ended with Earth Day!). The tree is part of a project by the Morton Arboretum to enlighten

The Norwegian Consumer Authority thinks the fast fashion company is misleading shoppers with its so-called Conscious Collection.

Perfect for tiny spaces, this multifunctional unit can be used as a kitchen, storage and workspace.

You really don't need all those big appliances.

Treehugger has noted before how one can generate electricity from algae; Now Designboom shows a lamp designed by Mike Thompson that uses the principle. Place the lamp outside and the algae generates electricity during

Kelp isn't just for eating; this designer is experimenting with the fast-growing, large algae for lighting.

The company that makes "shoes for people who don't want to wear them" is introducing a new model of adventure shoe constructed with EVA foam made from algae biomass.