It's time to update what we know about global food security. Those familiar with the dialogue will know that the year 2050 marks an important threshold. By then, the planet will have swollen to nine billion people, and we'll have to dramatically increase food production in order to feed them.
For those of us who live in the West and love its wide open spaces, wildlife and access to the outdoors, the rate of development is a common lament. But a new study shows exactly how much and how fast we are losing our natural areas.