Send Story by Email

Article Image
Environment

• arclein

At first, Li was flummoxed. Then, he says, he realized that deserts are "like a dry ocean." The pH of oceans is falling gradually as they absorb CO2, forming carbonic acid. "I thought, 'Why wouldn't this also happen in the soil?' " Whereas

Enter one or more email addresses below. Separate multiple addresses with a semicolon (;) or a new line. Maximum 10 email addresses at one time.