We only have one planet, but the average citizen of a developed or fast-developing country has an ‘ecological footprint’ so large that if everyone on the planet lived that way we’d need at least three planets to support them.
On average, per human being on the planet, it is as if we had two planet Earths (and rising). Source: http://data.footprintnetwork.org/.
In other words we are using up more resources than can be replaced, and creating more pollution than the planet can absorb. We have a planetary emergency, described in great detail in WWF’s Living Planet Report 2016.
But there are solutions.
The One Planet Life is a set of recommendations – a roadmap if you like – of options and strategies for households, businesses, communities, towns and even cities to adopt that will lead them to strongly reduce their ecological footprint.
The difference between this and other systems for ‘sustainable living’ is that actions must be measurable and verifiable.
Only if we measure what we do will we be certain that it truly makes a sufficiently significant difference. We can do this with the help of, amongst other things, an ecological footprint calculator.
A good place to start is to read the book The One Planet Life by David Thorpe.