When this reaction occurs, oxygen concentrations are considered negative
Over time, there has been a steady increase in the area affected by hydrogen sulphide in the East and West Gotland Basins, and the outer Gulf of Finland. Water from the Gulf of Finland does not enter into the Gulf of Bothnia. As a result, despite its depth, it remains well oxygenated, even during autumn.
Use a toy library and if there isn't one in your neighbourhood, start one!
Instead of buying new toys, set up a toy library with your friends and exchange them. The variety of toys will entertain the kids and they will be used by more than one child thus reducing your impact on the environment.
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