He was skeptical about anthropogenic global warming. The drought has been linked to anthropogenic global warming. Air pollution is causing changes in atmospheric composition and consequent global warming and ocean acidification. Warm water coral reefs are very sensitive to global warming and ocean acidification. To empirically link this to anthropogenic global warming is speculative. This deforestation is the most significant aspect of land use change affecting global warming. Economic forecasts of the impact of global warming vary considerably. There is also increasing activism around the issue of global warming. Therefore, it is susceptible to rising sea levels associated with global warming. Nine macro scale fluctuations of "Global hyper warming", or high intensity greenhouse gas conditions, occurred. NOAA data is also relevant to the issues of global warming and ozone depletion. Many risks increase with higher magnitudes of global warming. People are becoming aware of ills of global warming. Regional effects of global warming vary in nature. The effect of plastics on global warming is mixed.