In the latter stages of the Twentieth Century, the Environmentalist message that we are destroying our planet with man made emissions raised public awareness so that we have now reduced the amount of emissions we pour into the atmosphere.
There are some who disagree that we are responsible, the oil companies for example, but maybe it is too little too late as the globe continues to warm but while we have been concentrating on renewable forms of energy such as solar and wind, we have been merrily depleting our non-renewable natural resources and the problem with non-renewable resources, as the name implies, once they are gone they are gone for good.
We know about the dwindling supplies of oil and gas and how the easy to reach sites are running dry which means having to drill wells many miles under the sea-floor to access what's left but there are plenty of other natural resources that we take for granted that are close to exhaustion.
So just how much of these resources that are used in the manufacture of everyday items have we got left left to work with?
All the figures are based on known and estimated reserves and assume current consumption stays the same. Of course, more reserves may be discovered in the future but the figures do not take into account the rising world population which is projected to rise rapidly.
Silver: 13-29 years worth
Indium: 13-18 years worth
Palladium: 15-20 years worth
Gold: 17 -45 years worth
Tin: 17-40 years worth
Zinc: 17 - 46 years worth
Lead: 20-42 years worth
Copper: 31 -67 years worth
Uranium: 32 - 59 years worth
Nickel: 40 -90 years worth
Platinum: 56 - 360 years worth
Natural Gas: 60-70 years worth
Iron: 70-80 years worth
Cobalt: 100- 112 years worth
Tantalum 116 -120 years worth
Aluminum: 150-1000 years worth
Coal: 100-150 years worth
Phosphorus 300-400 years worth
Lithium 400-600 years worth
This is not to say that we will be completely out of indium which goes into making our flat screen televsions or palladium used in our cars catalytic converters within a couple of decades, but as we presently have no new source for it, when there is no more to be mined, we will have to make do with whatever resources we can scrape together through recycling or find new ways of creating essential things like batteries, wiring, dental crowns and plumbing.
What with the devastated environment and the depleted resources, it does make you wonder what future generations are going to make of what we have left for them to inherit.
Sources
US Energy Information Administration
U.S. Geological Survey
Scientific American
New Scientist
Science et Vie
Environmental Thinker