​Excessive nutrient runoff from nonpoint sources is significantly degrading water quality in all the Great Lakes, with the exception of Lake Superior.

It’s not just pesticides, as scientists are finding worrying levels of pharmaceutically active compounds such as anti-inflammatories, antibiotics, anti-epileptics, and beta blockers in lake water. 

The diversity of life on Earth — biodiversity — provides us with a range of benefits and underpins essential ecosystems services.