Researchers mapped more than 100 lakes across 1,000 kilometres of Brazil and Uruguay; the network could detect ecosystem stress before irreversible damage

• Published in the journal One Ecosystem, the research provides the first systematic assessment of the Southern American Coastal Shallow Subtropical LakesWhat if lakes could warn us about an environmental disaster?
• These freshwater systems may be giving off subtle biological signals long before the fish start dying off, the algae bloom on the water, or the pollution becomes hazardous.
• Well, the difficulty has always been how to read them.