This report provides an overview of global energy, with a specific focus on renewable energy sources and their role in addressing climate change. It examines the growth of renewable energy, particularly in the United States and internationally, highlighting the significance of government policies in promoting cost-effective renewable technologies. The report details the impacts of climate change, including the adaptation policies and economic implications. It further analyzes the shifts in US energy policy under the Obama and Trump administrations, contrasting their approaches to climate change regulations, fossil fuels, and renewable energy. The report discusses key policies such as the Clean Power Plan, the Paris Climate Agreement, and the actions taken regarding the Keystone XL and Dakota Access pipelines. It also references the stances of different US presidents on environmental policies and the global efforts to reduce carbon emissions. Finally, the report references the impact of climate change, and the role of various countries in the agreement.