Greener, leaner, cleaner: Healthcare's role in global warming

Pop quiz. Which sector creates more greenhouse gases?\r\nA) Aviation or B) Healthcare?\r\nIf you answered B, congratulations, you're a winner. But the planet isn't. Healthcare creates twice the emissions of the aviation industry. Whilst one is a necessity and the other a luxury, it doesn't mean that we shouldn't be taking a serious look at the role healthcare plays in global warming, and how we can mitigate it.\r\nEnter the realm of green healthcare, where the pursuit of medicine is married to the preservation of our planet. What do we need to do to make our healthcare greener, leaner, cleaner?