Links to nationalgeographic.org from wikipedia.org

Relevant links pointing to domain from domain.

url / atext / target url	PR	score	semantic flow ™	on topic	referring domains	external backlinks
https://en.wikipedia.org/wiki/Global_Warming what is the natural greenhouse effect ↳http://education.nationalgeographic.org/encyclopedia/greenhouse-effect/	0.15	0.93	0.02	yes	1	1