Home > Lifestyle > EnviroHealth > Faqs Faqs All sections in Environmental Health » 21st Century Life » FAQs » Animals » Climate and pollution » Hazards and disasters » EnviroHealth News » Green Tips Sun damage through glass Does glass, like a car window, offer any protection from the sun's rays? Start A Health24 blog » Follow Health24 on Facebook » Test Are you envirohealth savvy? » Ask EnviroHealth Expert » How the beads in your skincare products are killing the ocean Dangerous snakes Glossary of environmental terms This glossary is a work in progress. If the term or concept that's baffling you isn't on this list, just ask and we'll add it. Which meat harms the planet most? Lamb, pork, beef, chicken: which meats do the most damage to the environment? Can smoking cause global warming? Smoking itself doesn't significantly contribute to climate change, but the farming and processing of tobacco certainly does. Is the ozone hole still an issue? Since the phase-out of ozone-depleting compounds, atmospheric concentrations of many such gases has lessened. However, it will take many years for the ozone hole to heal. Black particles in tapwater? Q: My kitchen sink mixer was recently replaced by a plumber and he flushed the pipes for more than half an hour, emptying my geyser in the process. What are “heavy metals”? “Heavy metals” are those with high density. They are often implicated in human poisoning, especially lead, mercury, arsenic and cadmium. “ Latest comment on Health24 Igor Trethewey says... trying to justify flora poaching mmmm i could try the same approach with poaching ivory or rhino tusks... it is just plain wrong African traditional medicine: better than pills? ” Can aircon make you sick? Does the air conditioner in a office make one sick? Flu? Colds? Sinus conditions? What is multiple chemical sensitivity? “Multiple chemical sensitivity” means that a person is hypersensitive to chemicals in the environment. The condition is associated with chronic flu-like or allergy-like symptoms What is sick building syndrome? Sick building syndrome is when people who occupy a building experience symptoms that occur mainly when they spend time there. The cause is thought to be poor indoor air quality. load more articles advertisement From our sponsors Keep your pet's teeth in tip top condition Cape Town's legendary Blisters for Bread walk 2014. Occlusal disease - a modern day dental problem Eduloan offers affordable education finance Live healthier Winter Wellness » Boost winter health Happy feet in winter Don’t become a winter blimp Tips to stay fit and healthy in winter When it's cold it's easy to pick up the coughs and sniffles, and it's even easier to indulge in comfort foods. Don't ! Vitamin wise » Vitamins for HIV What to eat for vitamin B? Cut down on vitamins Get your vitamins right Find out which vitamin to use for which condition. Ask our Vitamin expert.