This is something to celebrate - and other countries can learn from Sri Lanka's experience.
HEALTH, WATER + SANITATION
Over a billion people around the world don't have adequate access to clean drinking water or hygienic toilets, leading to preventable water-borne diseases, In Asia alone, almost 700 million dont have access to potable water.
Activists, motorcycle drivers and office workers have come together to force the government to act and reduce air pollution.
It's a novel way to tackle malaria and mosquito's, but researchers have combined the venom from one of Australia's deadliest spiders with a mosquito-killing fungus in an effort to fight off malaria transmission.