Stress Test

To respond to climate change, we should focus on ramping down fossil fuels

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

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

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

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

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

How vertical farming measures up

Secrets of the blue bin, revealed

Can composting toilets work at scale?

Here's how it's supposed to work