This guide translates the diplomat-speak to more common language.
Soda taxes are finally gaining traction. Next year, they might appear at the polling booth in a city near you.
Guano is even grosser than we thought.
An interactive light installation projects images of trees onto the iconic Paris landmark.
Hundreds of thousands of people joined 2,300 marches in 175 countries, demanding a strong climate deal from leaders in Paris.
Advice maven Umbra Fisk adopts a not-so-casual attitude to the question of dry cleaning, one of our most toxic personal habits.
Thousands formed a human chain through central Paris with colorful signs demanding climate action.
Here's the recipe for a homemade version of a childhood favorite.
Presidents, diplomats, scientists, and activists are all descending on the French capital. They'll try to save the world.
California’s greenhouse gas emissions are declining, but not rapidly.