Envirotree Growth
Bars indicate the number of nodes added to the tree each quarter since the establishment of the Academic Family Tree.
Compare to tree:

Envirotree Nodes: Quarterly Growth

192-
154-
115-
77-
38-

Jul 10 Jul 11 Jan 12 Jan 13 Jul 14 Jul 15 Jan 16 Jul 16 Jan 17 Jul 17 Jan 18 Jul 18 Jan 19 Jul 19 Jan 20 Jul 20 Jan 21 Jul 21 Jan 22 Jul 22 Jan 23 Jul 23 Jan 24 Jul 24 Jan 25
Quarter
 Envirotree 

Node vs. connection growth
It's also interesting to compare the rate of growth of nodes vs. connections. So far, they've grown at a similar pace, but as the tree is getting larger, the number of new connections seems to be gradually outpacing the number of new nodes.

Envirotree: Nodes vs. Connections

223-
178-
134-
89-
45-

Oct 12 Jan 13 Apr 13 Oct 13 Jul 14 Jul 15 Jan 16 Apr 16 Jul 16 Oct 16 Jan 17 Apr 17 Jul 17 Oct 17 Jan 18 Apr 18 Jul 18 Oct 18 Jan 19 Apr 19 Jul 19 Oct 19 Jan 20 Apr 20 Jul 20 Oct 20 Jan 21 Apr 21 Jul 21 Oct 21 Jan 22 Apr 22 Jul 22 Oct 22 Jan 23 Apr 23 Jul 23 Oct 23 Jan 24 Apr 24 Jul 24 Oct 24 Jan 25 Apr 25 -2000 -2000 -2000 -2000 -2000
Quarter
 New nodes  New connections 

Daily growth
A bit more detail about what has been happening during the last month.

Envirotree: Growth during last 30 days

0-
0-
0-
0-
0-

04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 01 02
Day
 Envirotree