It accounts for surface water and groundwater (referred to as “blue water”) as well as rainwater (“green water”). It also captures water used to make wastewater generated in manufacturing ...

Billions of years ago, our planet did not have the deep blue oceans we admire today. Instead, they were actually […] ...

Their simulation showed the iron was triple-charged, which meant it would have given the ocean water a green hue because iron hydroxide absorbs blue light and water absorbs red light—leaving ...