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You're not noticing it only because the graph looks like this.
You can see how the temperature mean can can vary between subsequent years (well, still not that much, but it shows that the growth isn't consistent, it can still drop for certain years) and how slowly is the trend actually going long-term. But the pattern is definitely there.
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It definitely isn't even - the chart is for the global average. It does make some ecological difference, but life is extremely flexible and changing constantly since it arised (as does climate, in fact). Yeah, there is a trend right now, but I'd be careful with the implications.
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Yes there is. For vegetation to be useful it needs to have evolved together with all the fauna and other mushrooms, vegetal species and bacteria of the region.
In other words being native.
You should not plant tropical stuff and palms in the taiga. You should not plant pine trees into the southern hemisphere. You should not put mangroves in a steppe or desert and a big etc..
Exotic trees also may spread diseases, change the composition of the soil or otherwise will not survive. They are useless for the fauna.
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Yes
Ice
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