Monitoring continues to require adequate data on ozone-depleting substances, all of which can be derived from national production and international trade statistics. These are areas dedicated to safeguarding and maintaining biological diversity and natural resources, with their associated cultural value. From 1990 to 2012, protected terrestrial areas grew from 8.9 per cent to 14.6 per cent of the world’s land surface. Over the same period, marine protection has more than doubled in coastal waters up to 12 nautical miles, from 4.6 per cent to 9.7 per cent.