reports. the air we breathe, the water we drink, the food we eat. all rely on biodiversity, the variety of all plant and animal life on earth. but biodiversity is dwindling fast, because of us, with an estimated 1 million species at risk of extinction. uk is no exception. it has just 53% its biodiversity left, well below the global average of 75%, according to a new study from the natural history museum. researchers say there is little room for nature in a country where so much of the land has long been built upon or used for intensive agriculture. and they warned the world has lost so much natural biodiversity we risk and ecological meltdown, a future in which we can't rely on nature to provide the energy, food and timber we need. biodiversity is more than something that is beautiful to look at. it is also what provides us with so many