Humans are the main cause of climate change according to scientific evidence. Greenhouse gases like carbon dioxide and methane, which are byproducts of human activities such as burning fossil fuels and agriculture, are the leading cause of changes in the climate. While more people now believe that climate change is occurring and human-caused, many do not see it as an immediate threat. Proposed solutions such as a carbon tax are controversial, as they may help reduce emissions but also negatively impact economies and lower-income families. Overall the document argues that humans play a significant role in driving climate change.