1.8K views · 72 reactions | Mercury is one of the most potent neurotoxins, posing significant ecological and public health concerns, yet a system for collecting data on the pollutant does not currently exist. On Earth Day, I introduced a bipartisan bill with Senator Tom Carper that would establish a comprehensive national mercury monitoring network, helping to protect human health, safeguard fisheries, and track emissions. | U.S. Senator Susan Collins | Facebook