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.
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.
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.
The planet's environmental woes tend to be overlooked as we scramble for the latest high-tech gizmos - and conveniently ignore their energy consumption.
For many of us, Christmas lunch is the most special meal of the year - and I certainly want nothing but the very best for this celebration.
Farmers' markets are one of my favourite sources for Christmas goodies.
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.
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.
If you are energy-efficient and water-wise at home, then take all your good habits abroad with you.
Putting even one thing in your shopping basket that's locally produced or organic makes all the difference. It's a vote for the future, for animal welfare, for the environment, for your children's children.
Reducing and reusing take nothing more than a rethink on the way we shop, and using our imagination with the things that we might once have considered junk.
If you really want to help make a difference while getting a true travel experience, consider a community-run trip.