Unassuming freshwater mussels are emerging as environmental heroes. These humble mollusks serve as the “livers of our rivers,” filtering 10-20 gallons of water daily while removing harmful algae, ...

Rivers have relatively less protection than do land or oceans and we lack effective mechanisms for measuring protection. A new study offers an improved mechanism for tracking progress.

Hundreds of volunteers will attempt to set a new world record on Friday when they gather to clean the River Taff. Organisers said 1,330 people have signed up to attend the event along the river ...