Humans are  0.01% of all life on Earth, but have destroyed 83% of all  mammals and  of our plant life. A new  found the weight of  kind of life form on Earth. A researcher explained  the research started. He said: "I was  to find there wasn't  a comprehensive... of all the different components of biomass." He hopes the study will help people understand the dominant  that humans now play on Earth.
There are 7.6 billion people on Earth. We share the same  of biomass as . We have also managed to destroy  living . Humans have also changed the ratio of livestock to  animals. Today, 70% of all birds on Earth are farmed ( chickens). Around 60% of all  on Earth are livestock (mostly  and pigs); only 4% are wild animals. The  said people should look more  at what they eat.