At the beginning of the 21st century, humanity
faces global challenges unparalleled in its
history. These challenges include climate
change, loss of biodiversity, lack of fresh
water and overpopulation. The consequences
of any one of these challenges could be
devastating for all nations and all of
humanity. These challenges have now
been well-researched and are supported by
thousands of scientists. The final chapter
of the report highlights some the extensive
research which has been done on the subject.