Answer:
d. carbon emissions are directly related to climate change.
Step-by-step explanation:
The statistics shown in the text above can be seen from this sentence "ninety-seven percent of climate experts agree that humans are causing climate change." With this we can conclude that the text wishes to convey the message that carbon emissions are directly related to climate change, since carbon emissions are related to countless human activities that are carried out daily.
Although this statement is not accepted by all scientists in the world, the author of the text offers statistics as a support to support his statement.