Coral reefs represent some of the world's most spectacular beauty spots, but they are also the foundation of marine life: without them many of the sea's most exquisite species will not survive.
Conservation is key to preserving many of the world's natural beauty spots, so do your best to help by keeping to designated footpaths and being a discerning souvenir collector.
It's quite amazing to me, as I walk around a supermarket or a health food shop, to observe the number of Fairtrade choices: not just staples such as coffee, tea, fresh fruits and rice, but cocoa and chocolate, herbs and spices, honey, ice cream, and jams.
If you're trying to cut down the distance travelled from the farm to your plate, it makes sense to do the same for your pet. If we all shifted our bias towards sustainable pet food, we would be helping more than just our faithful friends.
My daughter is a real migraine sufferer; the minute she has a handful of Haribo sweets, she gets a headache. There's a connection between what the liver can't break down with what goes on to trigger a headache. You just have to be aware.
If you are energy-efficient and water-wise at home, then take all your good habits abroad with you.
My vegetable patch is my pride and joy.
Somehow, a scrubbed house spells a fresh start.
I love judging food by its smell and feel and taste. The healthiest tomato isn't always the perfect one that's been covered in pesticides.
Over the years, the diamond industry has had a devastating impact in countries such as Sierra Leone, Angola and the Congo, where profits from the sale of diamonds have been used to fund brutal wars, with disastrous effects on local communities.
It is possible to do many household cleaning tasks by simply using ingredients from the store cupboard, which are also safer for the environment.
The citric acid in lemon juice makes it perfect for bleaching, disinfecting and cutting through grease. And olive oil is a great alternative to furniture polish.
Consuming less means throwing away less, while reusing things actually helps to save the planet as well as the pennies.
Vegetable box schemes, local greengrocers, farmers' markets and organic stores are a great place to source package-free foods.
The planet's environmental woes tend to be overlooked as we scramble for the latest high-tech gizmos - and conveniently ignore their energy consumption.
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