Farmers' markets are one of my favourite sources for Christmas goodies.

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.

Coral reefs represent some of the worlds most spectacular beauty spots, but they are also the foundation of marine life: without them many of the seas most exquisite species will not survive.

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.

My vegetable patch is my pride and joy.

If you are energy-efficient and water-wise at home, then take all your good habits abroad with you.

Vegetable box schemes, local greengrocers, farmers' markets and organic stores are a great place to source package-free foods.