Its air is much more attenuated than ours, its oceans have shrunk until they cover but a third of its surface, and as its slow seasons change huge snowcaps gather and melt about either pole and periodically inundate its temperate zones
. That last stage of exhaustion, which to us is still incredibly remote, has become a present- day problem for the inhabitants of Mars.
During this day I was particularly struck with a remark of Humboldt's, who often alludes to "the thin vapour which, without changing the transparency of the air, renders its tints more harmonious, and softens its effects." This is an appearance which I have never observed in the temperate zones
. The atmosphere, seen through a short space of half or three-quarters of a mile, was perfectly lucid, but at a greater distance all colours were blended into a most beautiful haze, of a pale French grey, mingled with a little blue.
Then came the rain--not as it comes to us of the temperate zones
, but as a mighty avalanche of water--a deluge which spills tons instead of drops upon the bending forest giants and the terrified creatures which haunt their shade.
These Kaolians are most noble fighters, nor are the green men of the equator one whit less warlike than their cold, cruel cousins of the temperate zone
. There were many times when either side might have withdrawn without dishonor and thus ended hostilities, but from the mad abandon with which each invariably renewed hostilities I soon came to believe that what need not have been more than a trifling skirmish would end only with the complete extermination of one force or the other.
The hard soil and four months of snow make the inhabitant of the northern temperate zone
wiser and abler than his fellow who enjoys the fixed smile of the tropics.
The middle region of our being is the temperate zone
. We may climb into the thin and cold realm of pure geometry and lifeless science, or sink into that of sensation.
In the temperate zones
, weather systems generally move from west to east.
Habitat: An evergreen tree member of the Taxaceae family growing to about 25m in calcareous woodlands in temperate zones
. It is possibly the longest-lived of all trees and has a rusty-red bark with a deep green foliage producing strange carmine arils which contain the very dark seeds.
"The tropics get hotter, the temperate zones
get more like the tropics and the polar zones get more like the temperate zones
," she added.
Of the 614 known species, 200 occur in the tropics, and he pays as much attention to them as to those that grow in temperate zones
. For the second edition, he has incorporated new information on distribution and conservation status of species.
But one strain of the chikungunya virus has found a way to survive in mosquitoes that live in temperate zones
, leading to recent forays into Italy and France.