The main environmental challenge of the 21st century is poverty. When you dont know where your next meal is coming from, its hard to consider the environment 100 years down the line. – Bjorn Lomborg

In the rich world, the environmental situation has improved dramatically. In the United States, the most important environmental indicator, particulate air pollution, has been cut by more than half since 1955, rivers and coastal waters have dramatically improved, and forests are increasing. – Bjorn Lomborg