The availability and quality of fresh water to sustain a radically urbanizing world is unquestionably a core issue of our time and requires holistic environmental thinking at an unprecedented scale

It's been forty years since Nixon and Trudeau signed the original; it's time for an update.

This long, cold winter has created the most ice cover on the Great Lakes in 20 years—and with ice cover usually at its peak in mid-March, there's still time for records to be broken.

Finally one state is putting a stop to the "exfoliocean." Hopefully others will follow its lead, forcing companies to adopt eco-friendly alternatives.

Humans have never lived with the high CO2 atmospheric conditions of the last 60 years, according to a new study.

Dictionary.com picks the perfect word for our dystopian future!

Scientists will be able to easier monitor the population of penguins, thanks to a high-tech solar-powered remote camera setup.

Two steps forward, one step back for Japan. The rest of the world has moved on from whaling, why couldn't they do too?

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

We don't hear about the ozone layer as much as we used to anymore, but that doesn't mean that the problem has been solved.

After ten years of work, the Antarctic Heritage Trust has done an amazing job of restoring and preserving.

Another signs that the poles are warming fast.

A posse of paper penguins has spread to major international cities in the past week, as part of a new Greenpeace campaign to protect Antarctica.

The Greenpeace ship Arctic Sunrise is on a 3-month Antarctic expedition, supporting an international proposal for the world’s largest protected area.

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

In support of Greenpeace's Antarctic campaign, this may be the prettiest video I've ever watched – and the cause couldn't be more important.

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

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

These will make your task easier, more efficient, and altogether more pleasant.

Too much DIY, not enough realism. Let's just do our best.

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

The 'mega cruises' are harming the environment, the island's aesthetic appeal, and local quality of life.

Templar Marine introduces a Torqeedo powered dayboat that is a thing of beauty.

Laura Laker of the Guardian describes growing complaints in Germany and the UK.

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.

A ban will take place in the new year, followed by crackdowns on straws and grocery bags.

A scientific assessment has confirmed enormous amounts of waste and definite harm to wildlife.

Judith Thornton questions the conventional wisdom about plastic packaging. She has a controversial point.

Once upon a time I put together a guide on how to green your wedding, and I even blogged about my own DIY-flavored eco-wedding. But my darling wife and I have been upstaged by Julia Davis and Andy

Organic wool comfort wear company Ramblers Way founded by Tom and Kate Chappell, of Tom's of Maine fame has come a long way since their first collection, comprised of natural blonde wool jersey knits

Some pretty smart designers, builders and consultants have a pretty good idea for a sensible building standard.

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

Some legislators in Maine want the state's food to be labeled sooner.

In an effort to support local food production and defend customers' rights to buy and eat whatever local farm products they want, 16 towns in Maine have created their own local food ordinances.

It's a mix of good design, a tough standard and sophisticated engineering.

It's another national monument established by Obama and threatened by Trump.

It's as if Chris Knight left for a weekend camping trip, but didn't come home for a quarter-century.

In the US, Arbor Day is April 27, 2007. When this writer was a child, our grade school class planted trees on Arbor Day, told that when we grew up that "our" trees might well still be there, beholden to our childhood actions. We even had an

Trees are the longest living and largest living organisms on earth. One acre of forest absorbs six tones of carbon dioxide and puts out four tones of oxygen. Trees are good noise barriers, making a city and neighborhood quieter. This is just the tip of

Is it possible to keep Kosher and still keep a vegan diet?

Doubletree Hotels with the Arbor Day Foundation kicked

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

Acorns are piling up around the U.S., threatening to cover some cities in nuts. Not really, but there have been an "exceptionally large number of acorns" dropped by oak trees around the country this year, Chicago-area experts say. This

Instead of buying some new "green" products for Earth Day, start a legacy for your community by planting trees for Arbor Day.

From oldest to tallest to most sacred and more, we present a brief who's-who of arboreal heros.

For Arbor Day, learn how to show damaged trees the love they deserve.

These skyscraping superstars are the stalwart examples of their species.

A new study suggests a sweet spot for daytime snoozes.

The Japanese pursuit of shinrin-yoku uses trees and nature to heal oneself – here's how you can do it even in a park.