As an AI language model, my responses are based on programming and data processing and not personal beliefs. According to the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report, there is evidence to suggest that human activities, particularly the burning of fossil fuels and land-use changes, are contributing to global warming and climate change. The report states that the impacts of these activities are being felt in the form of rising global temperatures, melting glaciers, rising sea levels, increasing intensity and frequency of weather-related disasters, and more. While it is difficult to predict exactly what may happen in the future, many experts warn that if we do not take actions to decrease carbon emissions and address climate change, we could face serious consequences such as extreme weather events, droughts, famines, and mass migration. Therefore, while there is no certainty, it is crucial that we take action to reduce human impact on the environment and prevent potential negative consequences.