I've made it through the first month of my thrifty New Year's resolution.

Meet the primate species that are among the most endangered on the planet, and the most in need of conservation measures.

Images from Prix Pictet World Water Day, celebrated on March 22 every year, is an initiative of the United Nations that recognises that water is a basic requirement for all life. This year's theme: "Shared Water - Shared Opportunities" and "Whether

From brilliant pink lady katydids to devil-faced orchids, this year's list of new-to-science wonders proves Mother Nature is full of surprises.

You are not alone. Even when you are...

Incredibly, this appears to be the first time the government has really tried to tackle this crucial issue nationwide.

Eco-architect extraordinaire Michelle Kaufmann speaks with Adam Werbach about coral bleaching and youth-powered activism in this TreeHugger exclusive from West Coast Green.

Eco-architect Michelle Kaufmann talks to Eric Corey Freed about his book Green Building for Dummies, disco balls and the death of Pergo floors in this TreeHugger exclusive from West Coast Green. Eric is the principal architect at organicARCHITECT, and

Eco-architect Michelle Kaufmann speaks with Prudence Ferreira about the three criteria for Passivhaus certification. Prudence is the founder of Integral Impact Inc, a green building firm with a strong focus on zero energy buildings. As the president of

Michelle Kaufmann speaks with Michael M. Wheeler about government messaging in this TreeHugger exclusive from West Coast Green. Michael is currently the Energy Adviser to California Commissioner Dian Grueneich, he has also worked for the EPA and the DOE

Eco-architect extraordinaire Michelle Kaufmann interviews Barry Hooper from SFEnvironment about government policy for new and existing buildings in San Francisco in this TreeHugger exclusive from West Coast Green. Barry Hooper collaborates with design

Eco-architect extraordinaire Michelle Kaufmann speaks with Peter Yost from BuildingGreen about working with Lawrence Berkeley National Labs on energy efficient window treatments in this TreeHugger exclusive from West Coast Green. Peter Yost has been

Eco-architect extraordinaire Michelle Kaufmann speaks with Hunter Lovins from Natural Capitalism Solutions in this TreeHugger exclusive from West Coast Green. Hunter is a professor, speaker and author on changing the conversation around business to

Nobody cared much about this a few years ago. They do now.

Some plants help each other enormously, while others hinder their neighbors – use this cheat sheet to ensure harmony in the vegetable plot.

Get ahead of the crowd with these indoor plant predictions from the all-knowing Plant Mom.

Even if doomsday never comes, these 20 plants are some of the most practical you can grow.

Santa & Cole takes its environmental policy one step further by obtaining the Cradle to Cradle Certification (C2C) for its 100% Aluminum NeoRomántico Liviano Bench

Spoiler: your city will be much warmer year round.

There's a lot for TreeHuggers to love about the little operating system.

The action will prevent 10 million metric tons of carbon emissions.

An existing 1960s studio apartment in Melbourne has been transformed into a more efficient one-bedroom apartment.

This apartment's built-in 'function wall' maximizes a small space by incorporating sleeping, sitting and storage.

Think global, act local.

This redesigned space in a 1920s Art Deco building features a new layout that better maximizes space and light.

Teacher Appreciation Week is May 6-10, 2019, with National Teacher Day on May 7. Every year, Project Learning Tree (PLT) recognizes the educators who have made the most significant contributions to PLT with the Leadership in Education award.

Great things are happening for the environment at schools across the U.S. Thirty-five schools, 14 school districts, and four postsecondary institutions have been honored as U.S. Department of Education Green Ribbon Schools (ED-GRS) for 2019.

Even when made using hydro-electricity, aluminum production had a big carbon footprint.

iFixit took them apart, but they can't put them together.

Pets, they’re not just for cuddling anymore!

Good news from Gabon: Conservation efforts in Batéké Plateau National Park are rewarded with a sighting of an animal thought to have disappeared from the region.

FANAF separates cats from people in tiny Shanghai apartment.

From knocking out fleas and ticks to fighting the havoc of hairballs, these simple, all-natural remedies are both planet and pet approved.

These feline species are on the verge of disappearing forever.

A derelict garage is transformed into a compact, minimalist living space.

This renovation makes way for an integrated kitchen and study area, a bedroom and a flexible living room.

Fiercely opposed to big government, and a huge advocate for distributed clean energy, Roscoe Bartlett now practices what he preaches.

Lightweight shelters might be an affordable and quick option for emergency housing, but they are also susceptible to damage from high winds. This prototype could be a better solution.

Hold on to your wallets, because this little dwelling isn't for sale yet, but it is a promising development in the tiny house movement.

The goal is to highlight the abundance that already exists around us.

If you love knitting and even just like mushrooms, these creations will be addictive.

An interesting mix of fine art and fine childrearing!

If you have a jumble of jars that need jobs, consider calling them into service for any of these tasks.

The mockery of the official meeting overshadows everything around it. Can we start thinking about what are we paying our 'representatives' for?

The commitments made by countries and the intention to set Sustainable Development Goals are good achievements, just not enough to justify a summit like this. Is it time to re-design the UN environmental meetings to work for us?

Wrapping up our coverage of the UN Conference on Sustainable Development, we look at who came, who bailed out, what happened, and what didn't.

A Brazilian firm translates small-spaces ideas into a cute shopping mall shop.

The London Olympics are only beginning, but the next ones are already underway with Rio's ambitious urbanization plan. Its latest inauguration: the city's third largest green area.

The project is one of the winners of a Performance Architecture contest to celebrate Guimarães as European Capital of Culture.

The latest urban intervention to celebrate the city's status as European Capital of Culture is an unusual film venue for pedestrians.