This assignment delves into the realm of renewable energy policy and its implications for combating climate change. It examines various support schemes for renewable energy, such as feed-in tariffs and certificate markets, evaluating their cost-efficiency and effectiveness. The analysis also considers historical trends in renewable energy promotion strategies within the EU, learning from past successes and failures. Moreover, it explores the impact of global warming on freshwater ecosystems and emphasizes the role of biomass energy in mitigating climate change.