Often, one looks at the past when planning for the future. Sure we’re smart and we won’t let bad things repeat themselves. But can we ensure good things happen? First let’s consider the parameters. The following table has some of the more important ones.
And what do the trends tell us? Well, the following charts provide a few views.
The following chart shows the recent trend of global population from data from the UN.
The following chart shows the recent trend of global per capita primary energy usage from BP .
Our energy usage keeps going up. The EIA recently indicated that there would likely be a 50% increase in world energy usage by 2050.
Worried yet? Perhaps the next chart showing global temperatures provided by NOAA may get you thinking.
There’s a strong case that on achieving an increase of about 2ºC then the Earth begins a positive feedback. Probably bad times then for most of the ecosystem.
According to the Global Footprint Network, we’re way past overshoot. What are we leaving for our children?