[Ráfaga]Nº1283: trees, permafrost, mooc

[Jorge Sanz]

Nº1283: trees, permafrost, mooc

Fri, 13 Mar 2020 by Raf

* OpenTrees is the biggest database of urban trees sourced by Open
Data, written as Open Source and revamped in 2020

http://opentrees.org/#pos=11.6/41.4089/2.1474

* The broad arctic irreversible permafrost thawing is accelerating and
has a significant impact on ecology, hydrology, and soon also the
weather

https://www.canadiangeographic.ca/article/arctic-permafrost-thawing-heres-what-means-canadas-north-and-world

* "CartographyMOOC" with data, exercises, and videos is now freely
available via @John_M_Nelson

http://esriurl.com/cartomooc

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