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Part II · Ocean Economy

Drivers of Change

Drivers of change

Eight forces shaping the blue economy.

These are the structural drivers underneath every trend on this page: the systems that determine where capital, policy and technology end up pointed.

Aerial view of coastal wetlands
Ecosystem Services
83% of the global carbon cycle is circulated through the ocean, through its 500,000–10 million marine species.

Roughly two-thirds of marine species, possibly more, have yet to be discovered, with almost 2,000 new species accepted by the scientific community each year. The ocean ecosystem is a distributed and connected source of biodiversity, generating economic value through the design and protection of the supply chain, including fisheries, aquaculture, coastal protection, and carbon storage.

Ocean Warming
The rate of warming in the upper ocean (the top 2,000 meter layer) was about 40% higher than earlier IPCC estimates showed.

Roughly 90% of global warming is occurring in the ocean, exacting the water's internal heat to increase across almost every measuring depth. Along with ocean heating, we are witnessing higher sea levels, ocean stratification, expansion of depleted oxygen zones, acidification and governance gaps, reaching costs upward of 25% of biodiversity that lives near the coastline.

Aerial view of a coastal town
Coastal Communities
Oceanic changes have a long-term effect on 2.15 billion people living near coasts and 900 million in low-elevation zones.

Coastal areas are highly susceptible to natural and climatic hazards such as sea erosion, saltwater intrusion, coastal aquifers, and coastal flooding due to extreme sea levels, compounded by fluvial flooding and storms. For communities that concentrate in small, coastal and industrial runoffs face a threat multiplier: sewage, chemicals and heavy metals from farming and industrial runoffs threaten water quality and health.

Boat on calm open water
Ocean Economy
Every year, the ocean economy is estimated to turn over between $3 and $6 trillion.

Science and awareness play a central role in fostering the much-needed transition to sustainable ocean use practices. For over 60 million people work in the fisheries and aquaculture sectors worldwide, and diversification of investments across fishing, tourism, energy and new technologies shows businesses are able to bring value in emerging markets.

Offshore wind farm
Marine Energy
In 2023, the global capacity of marine energy reached 527 megawatts, derived from tides, waves and thermal differences.

A total of 84.1 GW of offshore wind capacity across three continents and 19 countries was operated by the end of 2022, accounting for 7.1% of global wind power installation. Offshore wind, tidal and geothermal energy are being repurposed to minimize impacts and maximize outputs, developing sustainable approaches to power technologies still being explored to address the environmental and economic potential of offshore and ocean thermal energy generation.

Fishing crew hauling a net
Fishing & Seafood
More than 3 billion humans depend on marine sustenance for their livelihoods. Today, 90% of marine fish stocks are fully exploited, overexploited, or depleted.

Consumers are becoming more focused on choosing seafood with health benefits, such as protein, omega-3 fatty acids, vitamin D and selenium. This ocean economy is a distributed and connected source of biodiversity through the design and protection of the supply chain. Efforts to fix the seafood industry need to combine certification programs to produce and distribute standards, alongside traceability and public awareness campaigns.

Aerial view of a cargo ship
Trade & Shipping
Carrying more than 80% of the global trade, international shipping accounts for 3% of global GHG emissions.

To meet the IPCC's 1.5°C target it is essential that the international shipping industry moves to decarbonize by 2050 with ambitious targets and Scope 3 accounting. The IMO's GHG strategy, approved through a just transition framework in 2023, is central to how flag states, trade routes and coastal operators plan for greener vessel design, alternative fuels and port infrastructure.

Aerial view of a vessel on the water
Ocean Data & AI
Since 2005, the number of high-tech sensors in the oceans has increased to 750,000. The information they gather is worth over $5 billion.

As of 2023, only 24.9% of the global seafloor had been mapped with high-resolution multibeam sonar bathymetry, across a surface area of 360 million square km. Despite the current shortage, a majority of it is low-hanging fruit from satellite data. We need to first map the oceans, well before we can fully understand them.