greenoptions - Green Options - Brand new website (went live on 5 February 2007) concentrating on "Greening the Good Life."
jetson_green - Jetson Green - Modern + green building. Actually, I'm trying to flaunt the business case for green building. Sometimes I'll delve more into the green building than the modern, and vice versa.
mariaenergia - Maria Energia - Highlighting companies of all shapes and sizes that are leading the world toward more efficient, reliable, and secure energy in the 21st century.
Previously noted green feeds:
ecofriend_org - EcoFriend
ecogeek_org - EcoGeek
insidegreentech - Inside Green Tech
sustainablog - Sustainablog
treehuggerrss - TreeHugger