Massive storms over a few weeks have led to extreme flooding, yet California remains in an historic drought, which has prompted experts to explore ways to better manage floodwaters.

A U.S. space mission that launched Dec. 15 will map the Earth’s water and collect data to help manage climate change. The mission will “conduct a comprehensive survey of the world’s oceans, lakes and rivers for the first time.”

There is a looming crisis in Cape Town, South Africa - the upcoming loss of all water service.

How much water do you think you use in a day? 50 gallons? 75 gallons? 100 gallons?

Earth Hour will be held tomorrow, Sat., March 19, 8:30-9:30 p.m. in your local time zone.