In Toronto and New York, Vision Zero is just talk. It's time for action.

Nations met in Peru this month to discuss solutions to climate change

Perhaps lofts are not the best solution for tiny homes and apartments.

Ramón Cruz has been growing oil palms for 37 years. He is a supporter of Rainforest Alliance's sustainable certification process.

It goes from bland plastic to a thing of beauty.

Scientists argue over whether some animals have the brains for suffering.

Sunshine is wonderful, but you can have too much of a good thing. This device measures it.

The blue whale, is the largest animal ever known to have lived on the planet. Here’s what you need to know about the majestic marine mammal.

The cultural construct describes the enigmatic inner power that pushes people to get through hardships.

The light-filled interior of this well-insulated and cleverly designed tiny home imparts a sense of relaxation and well-being.

A new exhibition in Toronto looks at sustainable development.

The indigenous Chenchu people say they know the real way to save India's tigers.

Everyone is jumping up and down for joy at the fact that McDonald's is now serving antibiotic-free chicken. Please, let's not ignore everything else that's so wrong with the company.

The chicken-producing giant is desperate to rebrand itself as an ethical, transparent poultry producer.

If we're going to push lifestyle change as a strategy, how we manage our money is one of the most important topics of all.

Honeybees survey vast tracts of land during their communal foraging. They share their best finds in a waggle dance, which new research has turned into a powerful tool for assessing ecosystem health.

A lovely cottage by Yiacouvakis Hamelin Architectes breaks all the rules about roofs.

This is a beautiful house, but it raises a lot of questions about what "respect for the environment" means.

Forget friends and family! Without the traditional meal, it feels like any old dinner party.

This fake fight has a good cause.

Photo: World Economic Forum, Flickr, CC BY-SA Corn ethanol has turned out to be a bad idea -- there's little disagreement about that, especially in environmental circles. For starters, it's an inefficient fuel source, consuming tons of water to produce

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.

A new study found men think society expects them to conform to stereotypes ... but how right are they?

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

Starting in 1936 they wired the entire country, the houses, the tools and the farms, changing America. It is time to think big and do it again.

If you want to attract good people these days you have to give them a nice place to work.

One of the big beefs with Energy Star for housing is that all it cared about was energy; beat the standard code by 15% and you got it. No matter that the best way to make a house efficient is to make it tight, leading to all kinds of air quality

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

Is global cooperation the anecdote for global competition?

Technological advancements, combined with an escalating climate crisis, suggest its time to revisit some once fanciful ideas.

Seriously ...

It's time to talk about ... wait for it ... the problem with hangers.

It's a moving target and, like TreeHugger hero Chris Magwood, we are all learning on the job.

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

Studies show that taller buildings are simply less efficient, and don't even give you any more useable area. Why bother?

Matt Ridley might be right about the world not ending on December 21 this year. But the rest of the article is delusional.

On National Book Lovers Day, we celebrate the ultimate slow hobby.

Tomorrow, real men eat quiche (cheese pi).

They were wonderful mathematical constructs, but they are terrible buildings.

Fretting about authenticity and appearance detracts from more important concerns.

New quarters are coming and they star FRUIT BATS!

Forget light bulbs and cloth bags. The actions that will mitigate climate change most effectively are the ones nobody's talking about.

Explaining climate science to kids is challenging, which is why clever animated videos can help.

The U.N. just came up with some climate change solutions, and none of them are "expect techy solutions to pull us out."

Restaurants win; Great Lakes lose.

Updated curriculum will help them to navigate the emotions associated with the climate crisis.

A gigatonne of ice here, a gigatonne of ice there... Soon enough we're talking about a meaningful quantity!

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.

The 10,000 year-old ice shelf is half the size of Rhode Island; its collapse will add greatly to global sea level rise.

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