Next week Tesla will announce new home and utility solutions — but do they pencil out?

Running 2 groundbreaking companies at the same time, Musk succeeds by putting himself on the line more than anyone else, says author Ashlee Vance.

Proterra's new Catalyst is a lightweight, energy-efficient marvel with six times the efficiency of diesel.

Automaker networks are vulnerable to guys with laptops, and it's not an isolated problem.

Electric carmakers need more cobalt for their lithium-ion batteries. Tiny Cobalt, Ontario, aims to become a sizable supplier.

Air conditioners have made architects lazy, and we've forgotten how to design houses that might work without it.

An interesting new prefab in Australia is described as being "Carbon Positive," but what does that mean?

Environmentalist Peter Bahouth shares the inspiration behind Atlanta's most leafy and lovely Airbnb listing.

Bjarke attack! The Danish maverick is the subject of a climate-themed retrospective at the National Building Museum.

The Passive House Institute and the Passive House Institute US are making news this week as standards change and they diverge further.

With the Living Building Challenge now under its belt, the facility is being heralded as one of the greenest buildings in the world.

The after-school carpentry wizards at Sawhorse Revolution have big, community-bettering plans for micro-housing.

In rural stretches of Connecticut and Tennessee, two nature-surrounded retreats built for retirees.

Co-owned by a quartet of couples, Llano Exit Strategy blends communal living and rural solitude.

Friggatto cleverly evades the exhausting, expensive process of securing a housing permit in Sweden.

Beautiful and daring, Cinder Cone will resonate with those who have graduated from Thrasher to Dwell.

It's a little bit Ewokian, a little bit New Urbanist and a whole lot intriguing.

Leave it to Shigeru Ban to breathe ingenious new life into the painfully abundant remains of a major catastrophe.

Getaway provides a woodsy, off-grid respite from the concrete jungle.

University of Cincinnati students score big in the 2015 perFORM Building Design Competition.

At long last, Brad Pitt's green rebuilding effort thinks smaller (but just as sustainable).

Honestly, it would be a touch difficult to hit the books on a campus this wildly verdant.

At 208-square-feet, Kasita smart apartments are roughly the size of 6 garbage receptacles.

Hydraulics give a British backyard potting shed a lift when needed.

How they can provide some space for the next generation as well.

Berlin startup Cabin Spacey has a clever idea for the city's unused rooftops.

Tiny houses have become the darlings of budget-minded minimalists, and Ryan Mitchell's book, "Tiny Houses Built with Recycled Materials," explores them.

A cylindrical concrete abode named O-Pod could squeeze into Hong Kong's scarce unclaimed space.

As its name implies, Scavenger Studio by Eerkes Architects was constructed from materials plucked from soon-to-be-demolished homes.

Assembled as a local factory, the prefab housing units will house over 200 people at 3 different sites.

This biophilic home owned by Gennaro Brooks-Church, founder of Eco Brooklyn Living Walls, is so green it boasts a turtle sanctuary.

Habitat loss and climate change have pushed the antechinus, a marsupial that looks like a small shrew, to the brink. And their sex lives don't help.

International Union for Conservation of Nature has updated its Red List, and the news isn't good for Australia's reptiles.

It's a wild idea fraught with controversy, but Australia has the habitats and the protections in place to harbor these beasts.

Native only to Madagascar, 105 lemurs species have been evaluated as critically endangered, endangered or vulnerable by the IUCN.

The U.S. Supreme Court will decide how the Fish and Wildlife Service can protect species thanks to a legal conflict over a tiny frog.

U.S. Fish & Wildlife Service proposes letting states, tribes manage wolf populations, dropping endangered species status on the federal level.

Australia, on track to eliminate 2 million feral cats by 2020, bans outdoor cats.

A last minute holiday gift for socially conscious tooth-cleaners with an eye for ecological design, Bogobrush follows a "buy one give one" business model.

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Bring the great outdoors into your home with Three Bad Seeds' line of wilderness-inspired pillows handcrafted from repurposed scrap fabrics.

Give the real estate-fixated college graduate in your life a well-designed, practical gift that will be put to good use in their first post-grad abode.

Have a stocking to stuff before December 25? Consider these useful and beautiful gifts — most eco-friendly and/or from small designers — for $25 and under.

You’ll refer to this guide that’s printed on biodegradable fabric with non-toxic ink almost every time you need to convert a recipe.

They make the perfect gift for your favorite binge-watcher.

In 1911, the Society for the Prevention Useless Giving (SPUG) began a movement against useless Christmas gifts. It's time for a comeback.

Looking for stocking stuffer ideas for your favorite home cooks? Here are some suggestions for super useful tools that they’ll love.

Blind brothers ask you to take a leap of faith to help find a cure for blindness.

Business and property owners can decrease their tax liability by taking advantage of one of the many green tax incentives available to businesses.

To meet China's insatiable demand for pork, Shuanghui International is turning to an American company to help 'bring home the bacon.'