Summary
- The lake in Sao Paulo’s Ibirapuera Park has turned green due to a combination of factors including an algal bloom, high temperatures, and low water levels.
- The green hue of the lake has both amused and alarmed parkgoers, with many noting the unusual sight.
- The city of Sao Paulo is experiencing drought conditions, with other bodies of water also turning green due to algae blooms.
- Despite concerns, some park visitors have noticed improved air quality near the lake.