The concept is simple: It includes anything that you add to planet-warming emissions, ranging from the gas consumed by your ...

"There's an app for that." Who'd have ever thought that would be the case for something as fundamental as a ruler or a measuring tape? But here we are. If you're reading this, you may already know ...

The concept is simple: It includes anything that you add to planet-warming emissions, ranging from the gas consumed by your car to the energy required to produce the food you eat. Reducing your carbon ...