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Kilgali Amendment would phase out climate-changing HFC refrigerants. Will Trump ratify it?

Our bet: no.




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This professor just got arrested for making climate change graffiti

Governments aren't paying attention to scientific research, but maybe crime will get people's attention.




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Saraye: Traditional Tatami Purses from Cambodia

We love products that support or revive traditional crafts. Check out, for ex ample, the work of Kallari, fair trade suppliers of traditional Amazonian baskets, which we reported on here. Now we've come across another cool basket supplier, this time




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District Cotton Takes On Organic Cotton, Mosquito Netting

The contents of your bag reveal more about you than you might think, but what about your choice of bag itself? District Cotton, a New York City-based company dedicated to fashion with a conscience, has a couple of sturdy options that are as socially




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Uncovering an Ancient City Felled by Urban Sprawl

With a population that approached 1 million and a surface area of more than 115 square miles, the Khmer city of Angkor in Cambodia was the largest preindustrial settlement on the planet. After coming into being during the ninth century A.D., it thrived




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New "Corpse Plant" Species Discovered in Former Khmer Rouge Territory

Previously unknown species in a relatively undisturbed bioregion of the Mekong River in northeastern Cambodia have been uncovered by a recent study — 24 in total, including a so-called "corpse




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Archaeologists use lasers to find a lost city

Australian researchers used LIDAR, the aerial laser technology, to rediscover the city of Mahendraparvata in Cambodia.




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Sustainable skills, sustainable resources: Nonprofit helps sex trafficking survivors

Nomi Network helps to provide training and jobs to women in India and Cambodia.




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Jargon watch: Aufstockung, or vertical additions

It's happening all over, and wood construction can make it even easier and faster.




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Anthony Thistleton: Sustainable design is over. It's time for Regenerative Design

It's not enough to not make things worse. Our buildings and our actions have to make things better.




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Architectural critic: Embodied energy matters

Architects ignore it. "Heads of sustainability" ignore it. Critics have ignored it, but this may be changing.




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It's time for a revolution in the way we look at buildings

We have to reconsider what is "acceptable for how houses should look and feel."




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That's no stack of rocks, it's an osmosis between man and nature

Quebec architects propose a 48-storey tower in a forest, "a new relationship between humans and their natural habitat."




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Landmark study shows how to change the building sector from a major carbon emitter to a major carbon sink

When made from the right materials, buildings can be a solution, not a problem.




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It's time to put Passivhaus First

How my thinking has evolved in the last decade




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If we care about sustainability, should we still be building super-tall skyscrapers?

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




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Do LEED, WELL and FITWEL play nicely together?

Perkins&Will's new Dallas office tries to do all three certification systems in one beautiful historic building.




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Why do we make everything so complicated? We need radical simplicity right now.

The KISS principle applies to everything, including building design.




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Italy adds climate change to school curriculum

It will start as a stand-alone course, but eventually be integrated into all subjects.




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Cory Doctorow has a vision of "resilience and joyful thriving through and after a just climate transition"

Unless, of course, TINA gets in the way.




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BMW's New Car Share Lends You a Car Where You Find One, Lets You Leave It Where You Want

At TreeHugger, we've been big fans of car-sharing services for a long time. ZipCar has long dominated the field, pushing the envelope recently by adding hybrid vehicles and expanding into new




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BMW Shows "Deep Commitment to Sustainability" With Pavilion for London Olympics

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




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The most efficient car in the United States is now the BMW i3 electric car

The EPA has just released official "fuel economy" and range information for the BMW i3 100% electric car.




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Just what we needed dept: a BMW with paint so black, it's almost invisible

No "do the bright thing" for cars; instead, the BMW X6 designed to "look particularly menacing."




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Indoor Air Quality: Causes Of, Testing, and Monitoring Indoor Air Pollution

Pollution from power plants, cars, and other transportation is a well-known contributor to outdoor air pollution, but our indoor air quality is often worse; it can be up to 10 times worse for you than the air outside. Microbial pollutants like mold,




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VOCs: Volatile Organic Compounds, Indoor Air Quality and Respiratory Health

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




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An Explanation of the Water Cycle (with Pictures and Diagrams)

Water, water, everywhere, so let's all have a drink (or so we all learned as kids, right?), but it's definitely not as easy as that these days. In honor of World Water Day (which may or may not have been today), let's




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Why we should all aim to be carbon positive

Minimizing your footprint is nice. Maximising your impact is better.




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This Swiss facility is sucking carbon dioxide out of the air for growing veggies (Video)

Run on waste heat, this commercial facility is the first of its kind in the world, extracting CO2 from the air and piping it to a greenhouse farm to grow veggies.




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It’s time to start thinking of driving like smoking

Cars are killing us, and it is time to limit the damage to drivers and to people around them, just like we did with smoking.




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Definition of irony: Britain hit by CO2 shortage

It's also affecting everything from meat packing to crumpets.




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Happy 10th Birthday, Bitcoin. Now go away before you fry us all.

The Bitcoin is the Hummer of speculative vehicles; let's hope it doesn't make it to its Bar Mitzvah.




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By 2050 We're All Likely To Be Using Fewer Resources, Whether We Like It Or Not

The latest UN report on sustainable development reads like the TreeHugger archive, in terms of sustainable development solutions.




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Farms Use 60 Times More Land Than Cities: It's Time to Develop Terraculture

Agriculture has become the single largest driver of climate change. It's time to start farming for the whole planet.




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Redefining Security for the 21st Century

The 21st century needs a redefinition of security, to something broader than military terms, a relic of the Cold War.




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How many books is your social media habit replacing?

The number is probably far higher than you think.




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Which is greener, books or e-books? Neither.

There is a third, more sustainable option: the library.




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India may smash its 175 GW renewables target several years early

It's not revising up its official targets, but the government is hinting that it may now achieve 225 GW by 2022.




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Oregon 'solar apiary' combines energy production with honey

Pollinator power, y'all.




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Ecotricity launches "vegan electricity" tariff

Many vegans don't realize that there's 'meat' in their electricity supply.




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UK renewables produced nearly 30% of electricity last year

Primary energy consumption was down, too.




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Sweden to reach its 2030 renewables target 12 years early!

For those who say it's too difficult...




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Is it time to hop on the hydrogen train?

Hydrogen trains are now running in Germany. But are they really green and do they make any sense?




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Scottish utility goes 100% renewable, pushes electric vehicles too

One of the UK's "Big Six" energy companies has gone a dark shade of green.




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UK now has more renewables capacity than fossil fuels

The country's onward march of low carbon energy shows no signs of stopping.




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Community solar-plus-storage goes big in Massachusetts

Home owners are going solar, without having to put anything on their roof.




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How many solar panels does it take to fill up a hydrogen car?

Stanford scientists figure out a way to get hydrogen out of seawater. Does this matter?




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Scotland produced enough wind energy for double its homes in last 6 months

In the first half of 2019, Scottish wind generated enough electricity to power the equivalent of 4.47 million homes, almost double the number of homes there.




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8 health benefits of iced tea

From soothing stress to providing weird minerals you didn't know you need, iced tea provides more than just a refreshing boost.




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In Rome, recycle plastic bottles for transit fares

Thirty bottles will buy you a ticket on the subway or bus.