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

Sometimes the best way to get an idea of the scale of something is to change the context.

Exfoliating body wash may make you clean, but it's making the lake water dirty.

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.

It led to a series of other agreements that protected and cleaned up the Great Lakes environment

Do international treaties mean anything when America needs fresh water?

It's been a couple of years since the still-planned and so-called Great Green Wall of Africa graced the pages of TreeHugger, so here's a quick update and overview: As the BBC reports, African leaders are meeting in Chad to further push the

Our photo of the day comes from Hampton, New Hampshire.

Our majestic photo of the day comes from Quebec, Canada.

Enough with the negativity. Let's talk about why this spooky celebration rocks.

They're non-toxic, waterproof, and cute.

The schoolyard should be an exploratory classroom of sorts, not a holding pen for bored children.

The International Joint Commission has developed a strategy for how U.S. and Canadian governments can address this toxic problem.

Lake Michigan alone receives the equivalent of 100 Olympic-sized pools full of plastic bottles each year.

And it's not just lefty TreeHuggers who are outraged; Everybody is in on this war of words

Plastic is often thought of as an ocean contaminant, but it's in our freshwater lakes, too.

This is where your next pair of underwear needs to come from.

Celebrated outside of the United States, the holiday used to have a real meaning.

In Canada, we’ve collected over 150 million units of waste and engaged two million people to recycle.

After two years of pressing pipeline regulators to release inspection photos and videos of the 60-year-old Enbridge pipeline that carries tar sands oil through the Straits of Mackinac, NWF took it upon themselves to inspect the pipeline.

Flow Loop introduces a new closed loop shower that will bring back one of life’s little pleasures: a long hot wet shower.

From preserved lemons and scrap scarves to flavored salts and bath melts, these handmade gifts can be made en masse for everyone on your list.

Droughts and possible water rationing have been in the news recently in California, Israel, Mexico, and Australia. As much of the water used is these regions is for watering gardens and lawns

From making homemade pasta and bread crumbs to cauliflower rice and so much more, the humble box grater is a genius, multi-talented workhorse.

KieranTimberlake and Lake|Flato team up with Bensonwood to offer OpenHomes

About one in six men in the United States are fathers. That’s more than 70 million dads . It can be tempting to focus their Father’s Day on finding the perfect camping gadget, the best new fishing rod, or the latest hiking gear.

And when prepared by professional chefs, it's more delicious than any imported produce could ever be.

Thanks to some careful, clever details, this 24-foot-long tiny house feels big, bright and open.

Some regular TreeHugger readers (and commenters, you know who you are...) are no doubt exclaiming that they being saying the same thing for years, that hemp makes great biofuel--if only the Feds would get out of the way. Well, researchers

From adorable baby sea turtles to lamps made of cow dung and 600-mile bike trips, it's been a wild ride.

Russian artist, Xenia Bystrova has created a charming series of posters of some of Europe's great cities.

This is a housing form that we should be building a lot more of.

Hiking through the Adirondacks, and why we should protect it.

Gord Baird and Ann Baird have written the definitive guide.

President Obama’s State of the Union speech takes aim at climate change deniers.

But really, they should have seen this coming.

If you can't travel in real life, try to see the world through the pages of a book.

It is my favourite part of the Interior Design Show, the corner of the floor where all the young new designers get to strut their stuff.

Spread the love with flower seed bombs, Mexican dark chocolate fondue, reclaimed housewares, organic textiles, and more.

Because we don't all need to look like Barbie dolls all the time.

When it comes to a clean and green beauty routine, less is more.

Experts suggest that the health benefits of sunlight may outweigh the risks.

Can you bear to look at these intimate and frightening photos of grizzly bears.

"Radiative barriers" may work well in space, but not so well down here.

In the building industry it is a big question, for all the wrong reasons.

But paper towels are four times as bad for the environment. What's a treehugger to do?

Presenting The Great Carol Comeback.

Retailers Push for Greater Payment Security at Checkout to Combat Fraud and Cyber Theft

Our photo of the day is a lesson in impressionism.

In celebration of Earth Day, April 22, here are some of our favorite quotes about the distinctly profound nature of Mother Nature herself.