why

Why should autonomous vehicles look like cars? Why not hotel rooms?

The Autonomous Hotel Room from Aprilli Design Studio raises some interesting questions.




why

Why we need a Carbon-cle Cup Award for Unsustainable Design

RIBA has announced that all its prizes will now be sustainable. We are going to need a counterpoint.




why

Why you should roast vegetables in a cast iron pan

You'll get a perfectly crispy, golden exterior.




why

Why we need Sufficiency First

Making things more efficient is not enough; we have to ask ourselves what we really need.




why

Why you should embark on a 'Depth Year' in 2019

Forget trying to broaden your horizons. Focus on deepening them instead.




why

Why cheap mass air travel must be stopped

Author Craig Murray says, "The Earth cannot afford to indulge the pollution caused by massive air tourism."




why

Why do we still have paper receipts?

Each year, the US uses over 3 million trees and 9 billion gallons of water to make toxin-tainted paper receipts.




why

Why recycling won't save the planet

We blame ourselves for not recycling more plastics, and yet our efforts are like "hammering a nail to halt a falling skyscraper." It's time we got to the root of the problem.




why

Why 'ecocide' needs to become an international crime

And how one British lawyer is working to make that happen.




why

Why is Denmark so successful at reducing food waste?

It's all about the culture.




why

Why do we drink so much bottled water?

The Convenience Industrial Complex figured out how sell us something that we don't need at a price that's too high.




why

Why will there be free wrapping paper in Sunday's NY Times?

For the Sunday, December 8 issue, a centerspread ad has been designed as a piece of planet-friendly wrapping paper.




why

Why is Water Such a Big Issue? Global Water Challenge Pres. Paul Faeth Sets Us Straight (Part 1)

Having given Global Water Challenge a Best of Green award earlier this year for their innovative work on the issues of drinking water and sanitation, it goes without saying that TreeHugger is a fan of their work.




why

Why federally protected lands are so crucial

Over the last 30 years, habitat loss for imperiled species in the U.S. was more than twice as great on non-protected private lands than on federally protected public lands.




why

4 reasons why you shouldn't buy prefab tiny houses on Amazon

Caveat emptor.




why

Ask the Experts: Why Hasn't Cradle-to-Cradle Design Caught On Yet?

It seems like everybody who knows the Cradle-to-Cradle principles thinks they're brilliant, yet adoption of the methodology and design philosophy seems slow. What is holding it back? William McDonough answers.




why

Why succulents make such good houseplants

Learn about the advantages of indoor succulents, plus everything you need to know about their light and watering needs.




why

Go inside the Carbon Vault: why it’s critical to know what’s beneath the Boreal Forest

Forest ecosystems sequester large amounts of carbon in vegetation and soils, off-setting the carbon emissions we produce and mitigating climate change. The boreal forest and its associated wetlands, in particular, provide critical carbon storage ...




why

Why you should go to bat for … bats

Did you know the countdown for Halloween coincides with Bat Week? An annual, international celebration of the role of bats in nature, Bat Week is in flight Oct. 24—31, 2018.




why

Why is Silicon Valley planning so stuck in the 1950s?

Allison Arieff asks that and a lot of other questions.




why

Why it's important to buy fair trade coconut products

Even as global demand for all-things-coconut increases, coconut production in Asia is stagnating because farmers aren't paid enough to make it worthwhile.




why

"Why bother knitting a scarf?"

Because there's far more to it than meets the eye. Here's why I knit.




why

Why we need fewer, smaller, lighter, slower cars: Plastic particulates from tire wear are being found in the Arctic

This problem gets worse as cars get bigger and heavier, no matter what they are powered by.




why

Why the caulking gun (and the thermal imager) are the best weapons in the war against energy waste

Take a thermographic tour of my house to see why.




why

Why we should learn to love wasps

Hornets, yellow jackets, tarantula hawks oh my. Wasps might be scary, but a world without them would be a disaster.




why

Why we need airtight buildings: Outdoor air quality is getting worse

What's the best approach for dealing with this?




why

Why I think buying an e-bike online is a really bad idea

If e-bikes are going to replace cars, they should be taken seriously and maintained properly by people who know what they are doing.




why

Why buying an e-bike online is not as bad as I thought

A lot of readers have had good experiences and saved a lot of money.




why

Why don't Americans wear helmets in the shower?

Way more people get traumatic injuries in the shower than they do on bikes, but almost nobody takes the most basic safety precautions.




why

Stella McCartney on why washing clothes is overrated

The fashion designer says she doesn't "just chuck stuff into a washing machine because it's been worn."




why

Why would people hang their babies out the windows in cages?

They were taught that their children needed fresh cool air in order to thrive. It would be pretty healthy for their carbon footprint too.




why

Why you should never eat in bed

Sleeping and snacking are not meant to share the same space for some very good reasons.




why

How to build a foam-free passive house (and why you want to)

Andrew Michler figures it out in his own home in Colorado.




why

Why is this Colorado river orange?

EPA to blame for the catastrophe on the Animas.




why

Why do cyclists break the law?

A new episode of the War on Cars looks at an issue dear to my heart.




why

Why Bats Need a 'Happy Hour' and Swedes Try to Comply

Wind power is not just a Danish success story - Swedish wind is growing leaps and bounds. But the bats may suffer, so the Swedes are trying to impose 'bat happy hour'




why

Why happiness is a global issue

Nic Marks at The Guardian writes on the importance of seeing happiness as a business and political issue.




why

This is why we can't have nice things. Like a functional government.

There is some exceptional the nonsense coming from Republican members of the US Senate Committee on Environment and Public Works. Good grief.




why

Why plastic bag bans are like brown M&Ms

Adam Sternbergh finds that bag bans are a symbol of something much bigger.




why

Why we need fewer, smaller, lighter, slower cars: particulate pollution from brake wear is giving us "London Throat"

Got a froggy "city throat"? It might be from metal particles emitted from braking cars and trucks.




why

10 reasons why you should use public transport

Public transportation, while maybe not as enjoyable as commuting in your own personal vehicle, does ease congestion, reduce emissions. Need more convincing? Here's more info about public transportation.




why

Here's why the April super Pink Moon is so special

Skygazers are in for a treat in when the full Pink Moon, the biggest supermoon of the year, dazzles the heavens.




why

Why I always choose a real Christmas tree

It comes down to the plastic. I want as little of it in my life as possible.




why

Why do cars have so many cupholders?

The Convenience Industrial Complex makes it so easy to just keep sipping while you drive.




why

Why did coffee cups and soda cups get so big?

There is more money in it for the Convenience Industrial Complex.




why

Why Americans will never love tea as much as coffee

But some thoughts on why they should...




why

Why such hype over Pizza Hut's new round compostable box?

Until it can be composted in my own backyard, I'm not getting excited.




why

Why does Obama love natural gas? It's complicated.

Josh Fox says President Obama's support for natural gas shocked him, but Brad Plumer shows how the issue of gas exports and production has much to do with maintaining trade relationships.




why

Why you should be cautious about online shopping

Most returned items get thrown away or incinerated, not resold.




why

Why are house prices rising faster in car-dependent suburbs?

Analysts say people are chasing affordability.