Many trees dying in my area around towers.
This is what it looks like:

It could be a giant coincidence... but if it's happening on all parts of the globe, then very unlikely.
Can others use Google Maps street view history of what trees used to look like in their area, and what they look like now? I found 100 microwatts/m2 or higher where this is happening.
Many trees look very horrid now here, while they used to be beautiful around 2009.
This study also found Wifi Kills trees:
http://www.popsci.com/technology/article/2010-11/wi-fi-radiation-killing-trees