A guide to what's hot and what's not
What's hot
Duvet daysSave energy while getting some R&R.
FreecyclingDon't junk your old dining table or fridge. See if you can give it away through www.freecycle.orgor Free Trade, on www.dublinwaste.ie.
Green energyPersuade your employer to switch to Airtricity, which supplies businesses with power from wind farms.
Rechargeable batteriesThey cost twice as much to buy as disposables but save you a fortune in the long run.
Car poolingWhy fume about traffic jams on your own? Share your gripes - and the cost of petrol - with commuter friends.
Eco cribYour newborn can sleep soundly in the knowledge that its funky rocking cot is made from recycled cardboard. €37.50 from Mothercare.
What's cold
The wood pellet famineWe felt so virtuous getting a new eco-stove, then discovered there's a fuel shortage.
SkiingEspecially when the snow's artificial.
Jet-settingThose pre-Christmas flights to New York released as much carbon dioxide as your car might in a year.
Bottled waterWhy pay for water to be shipped around the world when it's free from a tap near you?
Abandoned Christmas treesThis may be the last weekend to bring it to a recycling centre. Contact your local authority.