In the long run, e-bikes are cheaper than motorbikes. With financing help from start-ups like Guajira, many immigrant workers are making the switch.

See what stories caught our attention this week, from declining global emissions to rave reviews for electric heat pumps.

The “Stockholm tree pit” method was created to help trees thrive in paved-over urban spaces. Now, it’s taking root across Europe.

With training from staff therapists, high school peer mentors in Great Falls are helping students across the district.

Across the globe, clean hydrogen production is on the rise. For former coal towns like Vernon, Texas, it could provide a lifeline.

“Gravity batteries” give former mines a second life — while offering an economic and environmental boost to communities once reliant on coal.