Jellyfish have been a part of Earth’s marine ecosystem for at least 500 million years; however recent spikes in their populations serve as a warning for marine life and a possible future that puts other fish at a disadvantage. Join Harsh as he dives into the origin of jellies, their growing abundance and what it does to the marine ecosystem.

Along the UK’s coastlines, rising numbers of washed up whales, dolphins and porpoises are sending a stark message about the health of our oceans. What do these strandings mean, and how can we help?