These two links are about the increasing level of acidity, and the decreasing amount of oxygen in the ocean.
Link 1(Links to an external site.)Links to an external site. and Link 2(Links to an external site.)Links to an external site.
Questions:

What is your personal reaction about the two sources?
Which source did you find to be more helpful, in terms of understanding the issue?
Toward the end of the Ted Talk, Triona McGrath suggests ‘reducing our carbon emissions.’ What are some solutions to follow through with this idea? How can we reduce carbon emission?
What are your thoughts on the credibility of the sources?