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 Qwaqwa residents battling severe water shortages Villages in Qwaqwa in the Free State, hit by drought in June 2015, are continuing to struggle with severe water shortages despite being close to water schemes. 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 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. 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. 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. 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. load more articles advertisement From our sponsors Keep an eye on your vision Which skin products are better, ‘medical grade’ or ‘over-the-counter’? Win 1 of 6 R5000 cash prizes Win a R2 000 Skin Renewal voucher Live healthier Exercise benefits for seniors » Working out in the concrete jungle Even a little exercise may help prevent dementia Here’s an unexpected way to boost your memory: running Seniors who exercise recover more quickly from injury or illness When sedentary older adults got into an exercise routine, it curbed their risk of suffering a disabling injury or illness and helped them recover if anything did happen to them. No relief for MS » Drug shows promise against MS in mouse study Vitamin D may slow multiple sclerosis Obesity in girls tied to higher MS risk Exercise may not lower women's risk of MS A Harvard study showed no evidence to support the idea that exercise lowers the risk of multiple sclerosis.