Wildlife Interaction & Behaviour
Feeding, provisioning, cleaning stations and the ethics of getting close to wild animals.
Shark Feeding and Baiting
Fuvahmulah, Bahamas, Fiji: what 20 years of peer-reviewed research actually shows
Whale & Whale-Shark Provisioning
When feeding the ocean's giants for tourism profit alters their biology
Dolphin-Encounter Tourism
How swim-with programmes and provisioning affect wild dolphins — from Monkey Mia to Hawaii
Manta Ray Tourism & Aggregation Sites
Economic giants of the reef: how diver pressure shapes manta aggregation behaviour
Cleaning Stations and Diver Pressure
How SCUBA noise and diver approaches disrupt one of the reef's most critical ecological services
Night Diving, Fluo-Diving and Blackwater
Photobiology, circadian disruption, and the ecological consequences of diving after dark
Touching Corals, Sonnencreme Residue & Sediment Impact
Contact damage, resuspended sediment, and sunscreen chemistry: what scuba diving actually does to coral reefs
Climate & Ocean Chemistry
Bleaching, ENSO, acidification, marine heatwaves and the changing chemistry of the sea.
Coral Bleaching and Ocean Warming
From 1998 to the 2024 fourth global bleaching event — thresholds, recovery windows and future outlook
El Niño, La Niña and the ENSO Cycle
How a Pacific ocean-atmosphere see-saw reshapes coral reefs, thermoclines, and dive conditions across the tropics
Ocean Acidification
The invisible threat dissolving the calcium skeletons that reef ecosystems — and dive tourism — depend upon
Sea-Level Rise and Low-Lying Dive Destinations
How rising seas are reshaping — and in some cases eliminating — the world's most celebrated low-lying dive destinations
Marine Heatwaves
Discrete extreme ocean warming events — now longer, hotter, and more frequent — are restructuring marine ecosystems from kelp forests to coral reefs
Oxygen Minimum Zones & Coastal Dead Zones
How expanding ocean dead zones and oxygen-minimum layers are compressing marine habitat and restructuring the ecosystems divers travel the world to experience
Fisheries & Stock Management
Overfishing, bycatch, shark finning, bottom trawling and aquaculture — the hard trade-offs.
Overfishing: The Global Stock Assessment
How industrial extraction has pushed one-third of the world's fish stocks beyond biological limits — and what the science says about the path back
Bycatch and Ghost Nets
The hidden toll of non-target catch and abandoned fishing gear on marine megafauna and ocean ecosystems
Shark Finning and CITES Regulation
The global fin trade, regulatory frameworks, and a half-century of oceanic shark decline
Bottom Trawling and Seabed Carbon
How dragging heavy nets across the ocean floor destroys ancient habitats, disrupts carbon storage, and what the science now shows
Aquaculture and Farmed Seafood
From salmon lice to mangrove clearance: the environmental costs and promises of the world's fastest-growing food sector
Pollution & Human Impact
Plastic, sunscreen chemicals, underwater noise and the pollutants we can no longer ignore.
Plastic and Microplastic Pollution
From Macro Debris to Invisible Particles: How Plastic Is Remaking the Marine World
Reef-Safe Sunscreen: The Oxybenzone Question
Downs 2016, Hawaii Act 104, Palau — what science actually says about UV filters and corals
Underwater Noise Pollution
The Invisible Pollutant Reshaping Ocean Soundscapes and Marine Life
Chemical Contaminants: PFAS, Heavy Metals, Endocrine Disruptors
When Chemistry Becomes Catastrophe: PFAS, Mercury, and Endocrine Disruptors in the Sea
Nutrient Loading and Harmful Algal Blooms
Too Much of a Good Thing: How Fertiliser and Sewage Are Suffocating the Sea
Protection & Restoration
MPAs, coral restoration, shark recovery — where the interventions actually work.
MPAs: Do They Actually Work?
A rigorous look at the science behind marine protected areas — from landmark meta-analyses and the NEOLI criteria to 30×30 ambitions and the persistent problem of paper parks
Coral Restoration and Assisted Evolution
From coral IVF and larval seeding to selective breeding and symbiont manipulation — the science, cost, and controversy of actively rebuilding the world's reefs
Shark Population Recovery: Case Studies from the Bahamas, Palau, and Beyond
Against a backdrop of catastrophic global declines, a handful of sanctuaries, fishing bans, and sustained enforcement efforts offer hard evidence that shark populations can recover — if given the chance
Artificial Reefs and Wreck Scuttling: Building Habitats or Borrowing Fish?
The science of deliberately sunk structures — from the production-versus-attraction debate and the USS Oriskany to Cancún's MUSA and the environmental protocols governing modern reef creation
Science, Physiology & Frontiers
Decompression research, eDNA, citizen science and the deep-sea mining question.
Dive Physiology & Decompression Research
From Bühlmann's Tissue Compartments to PFO Closure: What the Latest Research Tells Every Diver
eDNA and Citizen Science in Diving
How Environmental DNA and Volunteer Divers Are Rewriting the Rules of Marine Biodiversity Monitoring
Deep-Sea Mining and the ISA
Polymetallic Nodules, Abyssal Biodiversity, and the Unresolved Battle Over Who Governs the Deep Ocean Floor