Sierra Taxonomy | Sierra Club

100 percent clean energy

Solar and Wind Set Records This Past May

Renewable energy outcompeted fossil fuels in a test case for what happens when they’re combined with battery storage

By Julian Spector June 23, 2026

In this story: renewable energy, solar, wind, clean energy, 100 percent clean energy

New England ratepayers received much lower bills thanks to solar panels and battery storage

By Sarah Shemkus August 14, 2025

In this story: clean energy, renewable energy, solar, 100 percent clean energy, clean buildings

But it may not be what it appears

Text and photographs by Claire Greenburger June 4, 2024

In this story: urban planning, urban living, sustainability, 100 percent clean energy

The new “Dirty Truth” report finds power companies often prefer greenwashing to green energy

By Jonathan Hahn October 3, 2022

In this story: clean energy, climate change, 100 percent clean energy, utilities, federal policy