This article provides a general overview of on-site versus offsite power and physical versus virtual power purchase agreements, also known as PPAs. On-Site Versus Offsite Power Put simply, on-site power and off-site power refer to where your energy comes from…

The carbon cycle, the greenhouse effect, the origin of fossil fuels, and how carbon affects nearly everything on Earth. The Carbon Cycle The carbon cycle is nature’s way of keeping carbon moving—cycling it from the atmosphere to the earth and…

For decades, our economy has functioned like a treadmill: we take resources from the Earth, turn them into products, use them, and then toss them aside without a second thought. This “take, make, dispose” system, known as the linear economy,…

Introduction You’ve decided to create a GHG inventory within your organization. Great! You’ve set your organizational and operational boundaries, selected your consolidation approach (equity share, financial control, or operational control), chosen a baseline year, and set up measures to mitigate…

Introduction When setting up a GHG inventory, there are several choices of activity data and emission factors used for calculating emissions from purchases of electricity, steam, heat, and cooling (i.e. scope 2). The primary piece of data needed to quantify…