Amid collapse of global pollution treaty, scientists highlight environmental factors causing fertility crisisAction must be taken to curb the use of plastic additives linked to plummeting sperm counts, a leading reproductive scientist has warned, as splits over chemical regulation contributed to the collapse of a crucial treaty on plastic pollution.Across the world, sperm counts have been declining at a rate of about 1% a year for the past 50 years, and human fertility has been diminishing at a similar rate, studies have shown. Continue reading…