Animals affected by shrinking polar ice

[Catherine]

This is the big problem of the changes we have made in any ecosystem. There is a cascade effect. What happens when the cascade effect happens on a global level? We have no idea. I just hope we can make enough good changes to keep things steady.
So many arctic animals will be in trouble because of the shrinking ice. They will also be in trouble when southern species move further north. There is so little food in the arctic so more competition  is the last thing the animals need.