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It's all co2s fault, that cursed compound. Making places greener, increasing crop outputs, pushing us further away from the dangerous levels of less than 200 ppm of co2. It's a shame truly, very bad, humans will not survive all this greening. Just look at Scandinavia and how much greener it is. Southern Europe looks greener too, would love to see how much precipitation has changed.
Many of the remotest areas of Britain were planted with trees around the mid-20th century, often non-native species like Douglas fir, to meet demand for timber. The Scottish highlands and parts of Wales and N England in particular. You can actually see how much bigger Kielder forest (the dark green dot on the England/Scotland border) has become. And that green dot that has appeared in East Anglia, presumably Thetford Forest.
But the biggest difference in Britain is the red dots- on the first one you can only clearly make out London and Birmingham; on the second you can see Liverpool, Manchester, Leeds, Newcastle and Glasgow easily, and a couple of others (looks like Sheffield and Nottingham) more faintly.
For Norway, a lot of small farms has been abandoned, with some (usually the best) farmland taken over or rented by fewer, larger farms in the area. So the marginal farmland has been left for nature to reclaim, turning it into forest. Less grazing in the hills and mountains, so young saplings can survive and grow new forest. And also earlier spring and warmer summers is a factor, especially near the treeline.
And yes, there are farmland in Northern Norway, although a small area compared to forest and alpine tundra /mountains. Hay (fodder for sheep and cows), a little vegetables incl potatoes, a little strawberry. A lot more spruce now, planted for forestry decades ago.
In the northernmost province, Finnmark (N of Finland), grazing by reindeer is the main activity.
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