TUDAV conducts marine research, and works to protect marine life, educate the public on the marine environment and raise awareness on its importance in our life. They coordinate educational projects on the protection of the sea, including summer schools and seminars, and organize workshops on current problems like pollution, marine biodiversity, sustainable fisheries, marine protected areas and alien species. TUDAV advocates for marine protected areas, is engaged in the fight against IUU fishing and the protection the marine environment from various pollution sources. They have played a leading role in the establishment of various marine protected areas in Turkey.

The Two Ocean Aquarium is involved in marine research, marine conservation, ocean advocacy, and most recently, in 2018, founded of the Two Oceans Aquarium Education Foundation to educate about healthy and abundant oceans for life. The Education Foundation is able to reach and have an impact on people, communities and habitats with their environmental education, conservation and marine science research programmes.

UK Ghost Gear Coalition (UKGGC) was formed in 2021 as a new coalition of Fathoms Free, Ghost Diving UK, NARC and Sea Shepherd Ghostnet Campaign. By combining their resources, they aim to widen their reach within UK waters and to reduce response time to reported sightings of ghost gear, being ALDFG (abandoned, lost, or discarded fishing gear).

Based in Argentina, Unplastify organizes talks, workshops, coastal clean-ups to raise awareness, inspire and exchange ideas. The group supports the 'unplastifying process', including educating access to alternative products and services, and by collaborating with science and research organizations to amplify the impact of their findings. In 2019-2020, Unplastify guided more than 3,300 students in 20 school to develop their own unplastifying strategies in Argentina, Chile, Uruguay, Colombia, Mexico and the Dominican Republic. 10 companies in Argentina and Chile also took up the challenge, avoiding 60,521 kg of plastic. At an institutional level, one of the key achievements was contributing to legislation progressively banning single-use plastic in Argentina.

Since 1992, WWF's Arctic Programme has been working with partners across the Arctic to combat threats to the Arctic and to preserve its rich biodiversity in a sustainable way. There are offices in seven countries: Canada, Greenland (Denmark), Finland, Norway, Sweden, Russia and the United States, where they work with governments, businesses and people with the goals of preserving the Arctic's rich biodiversity, ensuring that the use of renewable natural resources is sustainable, and reducing pollution and wasteful consumption.

World Wildlife Fund Canada is the country’s largest international conservation organization. They are working towards completing a national network of marine protected areas, safeguarding the Arctic, supporting leading-edge research to protect Canadian wildlife and habitats, a significant element of which is ocean based marine life.

Probably the most well-known and international environmental conservation group, WWF has a significant Marine component through their Oceans programme which focuses on Coral Reefs, Coastal Communities, Sustainable Blue Economy, Plastic-free Ocean, and No Deep Sea Mining. WWF works in more than 40 countries to campaign, lobby, develop and advocate solutions, commission and publish impartial data, advise, and champion the conservation of the marine environment and sustainable livelihoods. Amongst the many programmes and projects it leads or is in partnership globally is the Coral Reef Rescue Initiative (https://www.coralreefrescueinitiative.org/). Note: Many countries with local offices have their own WWF websites.

The focus of Morocco's WWF marine engagement is on combatting pollution of the ocean, with a special emphasis on plastic pollution

Looking after the oceans and the animals that live there is one of WWF’s top global priorities, and because Aotearoa New Zealand has stunning and unique sea life, our focus here is on looking after our marine animals - especially those on the brink of extinction like the Māui dolphins. WWF-New Zealand also work with local communities to protect our endangered species, and look after the beautiful native bush and amazing landscapes of Aotearoa New Zealand' (WWF)

Positioned on the edge of the Coral Triangle, WWF Singapore Oceans Division is well positioned to drive positive change in the region and has been working closely with government agencies, civil society, and the private sector to support the conservation of marine life and preservation of coastal livelihoods in this region. The focus of their work is on several areas, including working with governments on the management of marine protected areas (including in Palawan), sustainable seafood sourcing and producing, and advocacy on plastic pollution.

WWF's Marine programme in Tunisia focuses on protection of the marine environment via the establishment of Marine Protected Areas, protection of marine life including turtles, combating plastic pollution and the promotion of a blue economy

Waste Free Oceans collects and transforms ocean plastic into new, innovative products. WFO partners with recyclers, converters and brands to make optimal use of available resources and raise awareness of plastic pollution. Based in Brussels, WFO also operates in the Americas, Asia, Africa and the Middle East. Set up by the European Plastics Converters (EuPC) which is an EU-level trade association representing over 50000 companies in Europe that are producing more than 45 million tonnes of plastics products a year.
WFO mobilizes and unites the fisheries sector, the international plastics industry and all stakeholders in combating the growing issue of floating litter on the coastlines, at the rivers and in the seas. The initiative uses existing fishing trawls and new technology to collect floating marine litter and bring it back to land for recycling and sorting. The fishermen involved in this operation are compensated.