Through an examination of tree rings dating back 2,500 years, scientists have determined that from the 1500s until the 1970s, California was uncharacteristically wet. The latter 130 years of this ...

In the skies over Al Ain, in the United Arab Emirates, pilot Mark Newman waits for the signal. When it comes, he flicks a few silver switches on a panel by his leg, twists two black dials, then ...

Countries are increasingly embracing the controversial practice of cloud seeding as global water demand continues to rise. Iran recently sprayed clouds with chemicals as part of a push to boost ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Alex Ossola: In many parts of the world, this past summer was a historically dry ...