Not exact matches
Look at how much trouble
less than a
century of nuclear power has already caused on this planet... what are the chances of
something more catastrophic happening with that and / or more powerful technologies that develop over the next several hundred years?
Such was the comfortable vista which,
less than a
century ago, began abruptly to change beneath our gaze,
something in the fashion of those organic tissues in the living body which, after long remaining harmless and dormant, their cells apparently indistinguishable from those of the surrounding tissue, suddenly burst into dangerous growth.
In
less than forty years the conditions went from the depths of the Little Ice Age to
something comparable to the warmest decades of the twentieth
century.
manacker, it means that the proponents of natural variability have to find
something with this exponential - like shape over the last
century or so, or maybe it is a
less than quarter - wavelength section of some new multi-
century several - degree oscillation that hasn't been noticed before -LRB-?)
And the empirical facts of this particular «detective case» suggest
something much
less ominous
than what they are predicting for earth's future with regard to the magnitude of sea level change over the remainder of the 21st
century.
That is not to deny the possibility that CO2 may have contributed
something to the warming of the past half -
century: indeed, it may even have contributed as much as half the warming, or
less than 0.4 K, as the IPCC suggests.