Detailed text transcripts for TV channel - CNN - 20180809:00:57:00
>> yeah. and this one down here on the bottom. >> reporter: the algae that cause red tides occurs naturally in saltwater, but human activity on land can make the situation much, much worse. >> while they love nitrogen and phosphorus -- >> which are fertilizers. >> yeah. >> that's burning sugar? >> processing. >> processing sugar. >> reporter: generations of sugarcane farming has altered the chemistry of lake okeechobee and the health of the everglades. in wet season florida dumps a massive amount of water into the most delicate ecosystems. while in dry season that water is diverted to farms an...