Human-made materials may outweigh living things by the end of the year – study

Human-made materials may outweigh living things by the end of the year – study (Victoria Jones/PA)
The mass of human-made objects may surpass the mass of living things by the end of 2020, according to scientists.
A new study suggests the mass embedded in human-made items – such as buildings, roads and machines – has doubled every 20 years for the past 100 years.