据下面的图文信息补全文后问题(每空限填一词)，并回答问题(不超过10个单词)。

Nowadays, more and more people would like to spend their holiday on the beach. However, the research estimates that floods of plastic come into the ocean. How can we   ①    the ocean? Here are some tips.

If we are going to take some delicious lunch to the beach, try to use   ②    bags. Delicious sandwiches can be covered in paper bags. Make sure beach toys don't get washed by the   ③   . Children like ice-creams. Order an ice-cream served in a cone not a cup. We'd better not use any plastic   ④   .

Clean up pet poo by using newspaper before we leave.

If we can't do everything-just getting started is the important part.