Nearly 50% of US Bald Eagles Have Chronic Lead Poisoning, Heartbreaking Study Shows

It’s a common pattern during hunting season in the winter: Hunters shoot elk or deer, then eagles scavenge the waste.  That scavenged meal may have deadly consequences for eagles, according to a study published Thursday in the journal Science.   The researchers detected high rates of lead poisoning among the two most common types of eagles in … Read more

Gold Mining Is Poisoning Amazon Forests with Mercury

Small-scale gold mining has been going on in the Amazon for decades, with huge expansion of this activity since the early 2000s. It is often done via river dredging, in which miners excavate sediments in search of small pieces of gold. To separate the gold, miners mix liquid mercury into the sediment, which forms a … Read more