At first glance, a muddy estuary in winter may not seem to have much going on, but peer closer and all sorts of things appear - like these mysterious footprints!

To tackle plastic pollution, we need to make is visible – and a charismatic problem.

Carbon dioxide and nutrient input interact with each other to impact algal turf growth

Most life on Earth needs oxygen to survive - even those living in our oceans.  So when oxygen levels in our coastal waters are severely reduced, (hypoxia), and worse still reduced to almost zero levels (anoxia), the impacts can be deadly