Most of us cannot do without a daily dose of caffeine - but does it matter which one we choose? Here's a look at how the numbers stack up.
What's the more environment-friendly office paper choice: 100 per cent recycled, or paper made from local, sustainably managed forests?
Your dinner guests have left you with a mountain of dishes. As you slowly work through the mess, consider - which is best for the environment: hand-washing or using a dishwashing machine?
You can't beat a crackling open fireplace for atmosphere, but is it environmentally justifiable? And how does it stack up against a gas heater?
What's the most environment-friendly way of building a frame for a house: using steel or timber?
Electric ovens dominate the market but would a gas oven be a better choice when it comes to looking after our environment?
If you've just arrived home from the hospital with your little one wrapped up like a bundle of fish and chips, you've a long road ahead of you. Junior is likely to go through around 5,000 nappy changes before he or she is toilet trained. And all that mess has a big environmental impact.
What do you do in your spare time? If you're like most of Australia you probably guiltily admit that you watch a lot of TV. The world stock of TVs currently estimated at two billion. And so it's a sensible question to ask, what is the environmental impact of watching telly?
You would think trains do less damage to the environment than buses, right? All those nasty bus exhaust emissions and all. But how do they actually stack up against each other once you do the numbers and bring in the scientists?