You might have noticed that Hansen includes
several alternative scenarios with substantially less radical reductions in carbon that all result in temperature tracks that not only do not approach +2 deg, but also have temperatures declining in the medium term.
Not exact matches
In a specific example of this
scenario, co-occurrence of two
alternative variants of the cell polarity factor Cdc42 in the same neuron was essential for proper development of a single axon and
several functional dendrites.
Either way ONE
alternative ending is fine, I'm just not really into
several endings which most of the time are nothing but a cheap way to make the game seem longer and to spread a rather thin
scenario.
It is regrettable that the work of Fischer's team has not developed
alternatives to official IPCC climate projections, nor critiques of SRES
scenarios, and it is also regrettable that
several of their analyses are restricted to just one or two
scenarios, usually the «worst - case» ones such as A2.
I've seen a firm obtain a sizable banking client from
several larger suitors by offering
alternative pricing
scenarios for the work.
Clearly there are
several alternative, though not mutually exclusive,
scenarios that may explain the interactions observed in this study.