Believing that all human activities have zero impact on the environment is a sign that you should stop sniffing what comes out of your car's tail pipe.
Human activities do impact the environment. Case in point: litter. However, humans have not, I repeat, not, terraformed this planet in the way that idiots like Al Gore would have us believe.
Climate, Energy and Commerce AdvisoryRight Committee
The CECAC was tasked with considering, evaluating, and compiling a multi-sector set of recommended policy options and presenting them to the Governor. Appointed by the Governor, the CECAC comprises a diverse group of stakeholders bringing broad perspective and expertise to the topic of climate change in South Carolina.