Post Archive

BBC: How many Earth's do we need?

It has been suggested that if everyone on the planet consumed as much as the average US citizen, four Earths would be needed to sustain them. But where does this claim originate, and how is it calculated? Read More

BBC: Global Footprint

We are often told that we consume so much that we need one and a half planets. It comes from the Global Footprint Network a think-tank that has pioneered ecological foot-printing but what does that number even mean, and is... Read More

Could Earth Day 2015 be the tipping point?

Earth Day’s 45th anniversary is being celebrated today around the world. On this day—less than one-third into the calendar year—humanity already has used about half of all renewable natural resources and services that the planet can generate this year, according... Read More

Calgary

Calgary, the largest city in Alberta, Canada, was the first city to develop specific Ecological Footprint reduction targets. With a population of nearly 1.2 million, Calgary is located in the southern part of Alberta, nestled in the foothills of the... Read More