Most large rivers don't flow freely anymore


World Wildlife Foundation free-flowing rivers research

A new study shows just how few waterways move unimpeded to the ocean.

Of the 246 rivers longer than 621 miles, only about a third flow freely across their entire length, according to the study, published Wednesday in the journal Nature.
via Popular Science "http://bit.ly/2Veaf4v"

Comments

Popular posts from this blog

PowerCLI で VM 停止しないように CD/DVD ドライブからメディアを取り出してみる。

The best air conditioner

Lenovo’s Yoga 730 2-in-1 laptop has Alexa built in