What are GEO-4’s main messages?
The GEO-4 assessment report has four messages: • The world has changed considerably over the past 20 years, but we have not turned the corner towards sustainable development. We live in a better world than at any time in history, but unprecedented environmental change has made us more vulnerable than we have ever been. • Human innovation to engineer and exploit the environment is being countered by the force of environmental change itself. Change is happening faster than we can keep up with. • We have a much better toolbox and technologies to tackle some of the global challenges. We have better science, a more informed public, and a more proactive private sector but are yet to cross the threshold of sustained action and staying power to reverse the negative trends of environmental decline. • How many environmental assessment reports such as GEO-4 and various others that have been or are being launched in 2007 do we need to reach the tipping point? We have a better understanding of the