Let´s put a stop to litter in the Baltic Sea.

The amount of litter in the Baltic Sea is increasing at an alarming rate. How would you cut down on litter entering the sea?

"Meriroskahaaste" challenge prize is open to everyone. We are looking for solutions that decrease the amount of litter ending up in the Baltic Sea. The winner(s) will be awarded 32 000 euros to realize their idea!

Infographics about marine litter »

Further information about "MERIROSKAHAASTE" challenge prize (In Finnish) »

Hashtags: #marinelitterchallenge #balticsea #meriroskahaaste

Meriroska hiekkameri

Meriroska roskameri


Marine litter is challenging you. Please suggest a solution to prevent littering of the Baltic Sea!

Our goal is to put an end to the flow of litter from Finland to the Baltic Sea by 2050. To achieve that, we need imagination and brave new ideas.

Develop a solution that will significantly reduce the amount of litter entering the Baltic Sea. Disconnect the route of litter from land to sea, and you will help in solving one of the most serious environmental problems of our time.

Participate in the "MERIROSKAHAASTE" challenge price (In Finnish) »

Register for “Meriroskahaaste” challenge prize

Your solution may be related to people’s behaviour, circular economy, product and packaging industry, or some other significant factor in relation to littering of the Baltic Sea.

The solution may be e.g.:

- new method or technology
- new, smarter course of action
- new form of cooperation
- new, more efficient process or
- new commercial product or service.


The solution has to affect the fundamental causes and processes of littering in the Baltic Sea. Although the challenge prize concentrates on Finland and the Baltic Sea, we are looking for solutions that can be applied globally.

The challenge prize is open to all, and both individuals and teams may participate. The participant may be an organization or a natural person. The winner(s) will be awarded 32 000 euros to further develop their idea.

The challenge prize is organized by the Finnish Environment Institute.

Present your solution on the registration form.
Link to the registration form »