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 » The amazing mountains on Pluto Shark feeding frenzy caught on camera 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 Nicole Lovelock Kolver says... Meningitis should have realised this with the fever and joint pain. Alarm bells should have gone off with the neck pain and bruises What's your diagnosis? – Case 22: vomiting and headaches ” 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 Keeping your skin soft, moisturised and winter-ready The health benefits of donating blood Hydration is vital all year round Momentum Health: an industry leader in healthcare Live healthier Stay out of trouble » Asthma danger zones 13 danger zones Teen dangers 21 dangerous things people do Here are 21 things people do without thinking. But they are dangerous, and could kill you or the people around you. Sexual health » STIs: how to stay safe Apps for gay and bi men tied to STI risk Penis bumps The STI most men get without knowing it Most guys haven't ever heard of the human papillomavirus, yet many will get it at some stage in their lives without even knowing it.