Rio has ambitious plans for repurposing its shiny new Olympic infrastructure -- but will they carry through?
Algae is turning Rio's pools a frightening shade of green.
The push for protection is partially attributed to anxieties around the Zika virus, which is sexually transmittable.
In hot, polluted places like Rio, you’re actually better off just having a beer than exercising. Really.
The opening ceremonies probably did more for climate education than U.S. presidential campaigns ever have.
From waters teeming with pathogens to transportation troubles, the Rio Olympics are looking like a hot mess.
The Olympics bring their host cities new stadiums, trains, and glistening abs — but which of those benefit them in the long run?
Scientists try to narrow in on the way warmer, weirder weather helped the disease spread.
Competitors from vulnerable regions have started a movement.