Australian farmer and owner of the Margaret River vineyard in Western Australia, Jeff Burch, is using a special "sunscreen" on the grapes to retain moisture in light of climate change.

Mr Burch has outlined new environmental changes as annual rainfall at his Margaret River winery is down 20 per cent.

Mr Burch said, "it's crucial to protect the grapes, so we give them a sunscreen so that the skins don't dry up and crack".