are tremendous new sources and at higher
prices, plenty of oil will be produced from
numerous new sources. Nevertheless, it is a
violation of the second law of sustainability
if use is greater than the rate at which an
equivalent stream of renewable energy is
developed. Oil, in the end, is non-renewable
no matter how abundantly it can be extracted
at the moment.
seriously for which the greatest expenditure
has been made. However, despite massive
efforts to clean up water and air, the amount
of potable water is declining worldwide and
air pollution is, once again, deteriorating after
a period of impressive improvement.
rate of use should be no higher than the rate
of substitution with renewable alternatives.
Over the course of this year, 30 billion barrels oil will be consumed worth more than $2
trillion dollars. The worldwide investment in
renewable alternatives, although praiseworthy, comes nowhere close to a one-for-one
Aren’t there lots of oil sources yet to be
discovered and developed like oil sands, oil
shale and deep ocean oil? Yes, there certainly
Third rule – Recycling pollutants
The third law of sustainability is perhaps
the one for which humans have taken the most
The genetic advance of the chicken industry Year Weight (lbs) Feed Con- version Mortality (%) Age (in Days) 1925 2.0 4. 7 18 112 1965 3. 5 2. 4 6 63 2005 5. 3 1. 7 4 42 045 7.0 1. 5 3 40
What can the poultry industry
do to improve sustainability?
Strictly following the three rules of
sustainability may only be a utopian dream.
Nevertheless, the rules can help set a moral
compass. Keeping the goal in mind, there are
By 2045 it will take 40 days to get a 7 pound chicken with a feed conversion of 1. 5 to 1.
Tremendous Genetic Evolution