A changing, growing list, mostly, but not only, for/about food:

On Food: Mark Bittman
Civil Eats
Jules Blaine Davis
Eat Drink Politics (Michele Simon, Esq.)
Ron Finley
Food Politics (Marion Nestle)
French Foodie Baby
The Lexicon of Sustainability
MAD
Manger, Mimi Thorisson’s glorious celebration of life in the Médoc, with photographs by her husband, Oddur Thorisson
Mr. Wendell Berry of Kentucky
The Perennial Plate
Tom Philpott at Mother Jones
Roots & Marvel, the world of Emily Han
Amelia Saltsman, author of The Santa Monica Farmers’ Market Cookbook
Saving the Season by Kevin West
Sustainable Food Trust (UK)

Thinking globally, acting locally
The Edible Schoolyard Project
Fallen Fruit
Food Forward
Garden School Foundation

Places I frequent, things I use, inspiration:
dosa
Heath Ceramics
Hedley & Bennett
Spice Station Silver Lake