7.125 billion people. At the time of writing 7.125 billion people live on our beautiful blue planet. This figure is expected to rise to a staggering 10 billion by 2050. As the population grows our demand on resources are causing more and more problems. Water resources, in particular, are dramatically impacted by population growth. Water across every content is now more polluted than ever. Our infographic below shows 29 worrying facts about just how polluted our water is around the world.