Home > Lifestyle > EnviroHealth > Hazards and disasters Hazards and disasters All sections in Environmental Health » 21st Century Life » FAQs » Animals » Climate and pollution » Hazards and disasters » EnviroHealth News » Green Tips Killer gas - Why SA homes are not tested for Radon The National Nuclear Regulator tells Health24 SA is not immune to radon, which is linked to lung cancer - a top killer in South Africa. Start A Health24 blog » Follow Health24 on Facebook » Test Are you envirohealth savvy? » Ask EnviroHealth Expert » Blood Lions: Bred for the Bullet movie trailer The amazing mountains on Pluto Radon is a silent killer. Could it be in your home? Radon is a dangerous radioactive gas that can cause lung cancer. It has no smell, colour or taste and it can seep into your home from the ground, via water and building materials. Why is SA's government not alerting the public to the dangers and just how worried should we be? Health24 takes a closer look. Kids' lungs may be affected by agricultural pesticides Early exposure to the widely used pesticide organophosphate may be harmful to children's lungs. Additives in Roundup weedkiller may be genotoxic Glyphosate, the active ingredient in Monsanto's Roundup pesticide, may not cause cancer on its own, but once it's mixed with other constituents it could be genotoxic. FAQ: Leaky toilets waste water A leaking toilet can waste up to 100 000 litres of water a year. Use this trick to find out if yours has a leak. Evolution driven by environment A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, says researchers. Nature fighting greenhouse gas Nature has a larger army than previously thought combating nitrous oxide - according to a study by Frank Loeffler. Paraffin lamps high carbon emission The small kerosene lamps that light millions of homes in developing countries have a dark side: black carbon – fine particles of soot released into the atmosphere. Ozone thinning changed ocean circulation According to a Johns Hopkins earth scientist, the hole in the Antarctic ozone layerhas caused changes in the way that waters in those southern oceans mix Can a weed save our world? As the human population increases, so too do the demands and stresses on agriculture. load more articles advertisement From our sponsors 4 clever ways to stay active this winter Key signs you need a change in diet Clear your head with fast-acting, long-lasting Sinutab® Nasal Spray Why is asthma still killing South Africans? Live healthier Switch the caffeine for calm » Two minutes to healthy winter eating Winter exercise lifts spirits Quit coffee for yoga – 3 postures to energise your day If you are like most westerners, and use coffee as a means to kick start your pressure filled day, consider trading caffeine for calm. It’s not you, it’s your brain » Sleepless nights may fuel daytime Facebook binges Will brain freeze ice up your brain? Why do you get first-night jitters in a different bed? If you can’t sleep properly on the first night in a new place, rest assured it’s not you, it’s your brain.