Currently, the United Nations (UN) estimates that there are approximately 7.7 billion people in the world, a number that is expected to reach 10 billion by 2050. Moreover, human populations are becoming more dense: 68 per cent of people are expected to live in urban centres by 2050. As these[Read More…]
Search Results for author "Alex Arkilanian"
Environmental scientists believe that most animal groups today are facing global population declines. The magnitude of the declines is so great that many are referring to this as the beginning of the sixth mass extinction. Amphibians are one of the most affected groups: Their estimated extinction rate since 2007 is[Read More…]