Question

how we are polluting oceans today

Answer 1

we are polluting oceans in the following ways
#oil spils from large ships which is a major threat to marine life 
#dumping sewage in oceans 
hope this is useful

Answer 2

We are polluting oceans by many ways.
As we throw the garbage in the rivers it directly goes to the ocean only.
And this garbage pollutes the ocean.
And the spillage of water oil tankers sometimes leads to very rapid pollution. The ocean also plays an important role in our life.
And we r polluting the oceans by sea ways also as seas are attracted to tourists do people throw the coconuts etc in the sea and they don't care about it but that waste goes to the oceans only.

HOPE it helps u dear.