HIGHLAND PARK Fla. — A Florida nonprofit is on a mission to revive the state’s farmland with sustainability in mind. Biotech Applied Research is turning waste into “biochar,” a charcoal-like material.

Keeping a phone fully charged is the only way to make sure it's ready for a long day. But there's a major difference between being "charged" and being "healthy." Most modern Androids and iPhones are ...