Whether you’re an aspiring artist or a seasoned pro, diving into the depths of these 19 underwater drawing ideas will ... them fascinating subjects for detailed pencil work.

Species like giant kelps and sargassum grow the most, drawing in masses ... Knowing how much carbon seaweed actually removes from the atmosphere, she says, will take detailed forensic accounting.

Using seaweed to draw down carbon would be an elegant solution ... it was "a very general outline of a process that needs more detailed explanations to be actionable." Technician Danny Chea ...