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China's huge air purifier tower

China built the biggest air purifier in the world

The 100-meter high purification tower in Xian is said to cover an area of 10 square kilometers.

Derek Markham

By Derek Markham in Clean Technology January 24, 2018

horn

Young people are growing horns, thanks to phones + tablets

Melissa Breyer

By Melissa Breyer June 21, 2019

Tap map view

Carry a water bottle? Get the Tap app

Katherine Martinko

By Katherine Martinko June 12, 2019

Neo the robot

Meet Neo, the floor-scrubbing robot

Lloyd Alter

By Lloyd Alter March 22, 2019

Tesla House

Is Elon Musk's SolarCity circling the drain?

Solar Technology

Lloyd Alter

By Lloyd Alter March 21, 2019

biorpinter

3D printing grows up, heals wounds by printing skin

Melissa Breyer

By Melissa Breyer March 1, 2019

xenon thruster

Does this new rocket engine threaten to fill the atmosphere with mercury?

Clean Technology

Lloyd Alter

By Lloyd Alter November 21, 2018

coal emissions photo

Are negative emissions technologies about to go mainstream?

Clean Technology

By Sami Grover November 19, 2018

Toyota Mirai hydrogen fuel station

Is hydrogen back in the energy picture? Or is it all just shilling for oil companies?

Clean Technology

Lloyd Alter

By Lloyd Alter November 13, 2018

Jimmy Carter with solar panels

Whatever happened to Jimmy Carter's solar panels: The sequel

Solar Technology

Lloyd Alter

By Lloyd Alter October 29, 2018

orkney island view from coast out to sea

Innovative floating tidal-power turbine generates 3 GWh of energy in its first year of testing

Clean Technology

By Megan Treacy October 16, 2018

tilos greece

Greek island Tilos on its way to becoming fully powered by renewable energy

Clean Technology

By Megan Treacy October 10, 2018

Just what we needed dept.: An air-filtering diesel bus

Clean Technology

Lloyd Alter

By Lloyd Alter September 27, 2018

server setup

Low-Tech Magazine switches to a low-tech, low carbon website

Solar Technology

Lloyd Alter

By Lloyd Alter September 26, 2018

solar roadway in france

Solar road in France generates half the power expected

Solar Technology

Lloyd Alter

By Lloyd Alter September 24, 2018

iphone

Resist disastrous planned obsolescence by making old iPhones sexy again

Melissa Breyer

By Melissa Breyer September 11, 2018

nasa icesat-2

NASA launching a new ice monitoring tool that can identify changes the width of a pencil

Clean Technology

By Megan Treacy August 28, 2018

sand tiger shark

Laser-toting robots monitor vulnerable sand tiger sharks

Clean Technology

By Megan Treacy August 13, 2018

Naturally green

How can people demand a "naturally green" environment and hate wind turbines?

Wind Technology

Lloyd Alter

By Lloyd Alter August 6, 2018

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biodegradable plastic cup

Biodegradable plastic is bad for the environment, British MPs say

laundry station

Why you don't need fabric softener

bike repair

Learn basic bike repair with these 9 DIY videos

Patagonia sign

Patagonia will close stores for Global Climate Strike on Sept. 20

Why does this man look so orange?

Trump voters need LED bulbs

harvest moon

6 curiosities about the rare Friday the 13th harvest moon

KFC storefront

KFC sold out of Beyond Fried Chicken on trial day

snowy owl

12 signs that a hard winter is coming

DomeGaia AirCrete home

DIY dome homes built from AirCrete are an affordable & ecofriendly option

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