What is the claim of Counterpoint: Scientists Know that Human Activity has Caused Global Warming?

Question 1 options:

Scientists have not determined the exact causes of climate change.


Since the majority of scientists accept as fact that climate change is happening at a faster rate than ever before and it is caused by human activity, we must act now to stop it.


Since the early nineteenth century, scientists have been studying atmospheric gases and the effect that fossil fuels have on the climate.


Reducing carbon emissions (the most dangerous among the greenhouse gases) is not as difficult as it seems, and even minor changes can make a big difference.