Clean Tech

Let's Make an Inflation Reduction Act Deal

Uncle Sam is handing out free money for you to electrify your life. Here's how to get your share.

By Paul Rauber July 6, 2023

In this story: Inflation Reduction Act, clean energy, clean heat

A cartoon illustrates the side of a house and a game show set.

The Hydrogen Rainbow, Explained

Hydrogen itself is a nice, clean fuel—how it's made can be the problem

By Heather Smith May 14, 2023

In this story: clean tech, science

How Does a Heat Pump Actually Work?

This humble technology reduces home emissions. Here's how it works.

By Paul Rauber January 6, 2023

In this story: clean heat, technology, clean tech, clean energy, clean buildings

Illustration of house with ground source heat pump.

The Ultimate Compostable: You

High-tech or stick-em-in-the-ground, green postmortem possibilities abound

By Heather Smith September 24, 2022

In this story: recycling

Illustrations of various sustainable after-death options.

How Does Carbon Capture Work?

We've been putting extra carbon in the air for centuries—here's how to take it out

By Heather Smith July 3, 2022

In this story: clean tech, science

Illustration shows carbon capture technologies, pipelines, electrical towers, and crops being incorporated.

Can Technology Outcompete the Sun?

How vertical farming measures up

By Heather Smith April 6, 2022

In this story: clean tech, agriculture

A man stands in front of a tall rack of produce growing. His clipboard says "water schedule."

Who Recycles Your Recycling?

Secrets of the blue bin, revealed

By Adam Minter December 22, 2021

In this story: recycling

Illustration shows a man putting a plastic container in a blue bin. Attached is a conveyer belt with seven people pulling off various items and putting them in bins.

The Gritty Truth About Multistory Composting Toilets

Can composting toilets work at scale?

By Heather Smith October 5, 2021

In this story: science

Infographic shows a cut-out of a building with a composting toilet system.

Can Farming Seaweed Put the Brakes on Climate Change?

Here's how it's supposed to work

By Heather Smith June 28, 2021

In this story: climate change

Infographic shows the process of growing kelp in the ocean to sink it for carbon sequestration.

Meet the Land Salmon

Terrestrial fish farms are betting that improved technology will make them competitive

By Heather Smith January 2, 2021

In this story: technology

Illustrations show the phases of land salmon farming, including trays of eggs, tanks with fry, and someone scooping out a grown salmon from a tank.