If you're curious to see if you're a help or hindrance to the planet, we've put together this fun quiz to assess your green credentials.
Simply make a note of your answers and check your score at the end to find out if you're a hero or zero when it comes to living a green lifestyle.

1. How much of your household waste do you recycle?
A I don't. It all ends up being shipped to China anyway, so what's the point?
B I fill my recycling bin once a fortnight, following my local council's guidelines.
C I recycle almost everything and compost the rest in my garden.

2. Do you ever leave the TV on standby instead of switching it off at the plug?
A Always. I can't get to the plug as it's buried in a maze of wires behind the TV.
B Sometimes. After a late night, it's too much bother and I'll use the remote to turn it off instead.
C Never. I've got everything hooked up to a powerstrip and turn everything off from there.

3 Is your loft fully insulated to a depth of at least 270mm?
A You've got to be joking. It's been years since I've been up there.
B There's a thin layer but it's more than 20 years old.
C Yes, and I obtained a government grant to help with costs involved.
4 Have you switched to a renewable energy supplier?
A I don't see the point, it won't save me any money.
B Yes, I've signed up for a green tariff with my local electricity supplier.
C I generate my own electricity from a wind turbine on the roof.

5 How often do you eat meat?
A Is the Pope Catholic? I practically live in Burger King.
B Once or twice a week.
C I'm a vegetarian.

6 When you wash in the morning, do you…
A Take a shower.
B Have a bath.
C Jump in the nearest river.

7 How do you dry your clothes after washing them?
A I let them drip dry on an airer or clotheshorse
B I use a tumble dryer.
C I hang them out on the washing line.

8 Do you use energy saving light bulbs?
A Yes, in every room.
B I'm gradually replacing my old incandescent ones with new eco-friendly bulbs.
C I've now switched to even more efficient LEDs.

9 What sort of car do you drive?
A A hybrid or electric car.
B A normal family-sized car.
C I don't own a car – I walk and cycle everywhere.
10 Where are you planning to go on holiday next?
A A trip to the seaside.
B A golf resort in Las Vegas.
C A camping trip in the UK.

11 How do you keep your house clean?
A A cup of baking soda, a dash of vinegar and a drop of lemon juice.
B Ecover and other environmentally friendly cleaning products.
C I don't care what I use as long as it shifts the dirt.

12 Where do you buy your food?
A I grow everything I need on my allotment.
B The local shops and farmer's market
C The supermarket.
13 Do you still use plastic carrier bags?
A I've bought a 'bag for life' so don't need to use them.
B I've cut down dramatically.
C Yes, I always forget to bring my own bags with me.

14 How warm do you keep your home?
A At a comfortable temperature (14-17C)
B Fairly warm (18-21C)
C The hotter the better (over 22C).

15 Do you drink tap or bottled water?
A I've dug my own artesian well in my back garden.
B Tap water every time.
C A bit of both, depends where I am.