This course aims at providing the students with a broad overview of the economic concepts related to environmental problems. We focus on environmental policy-making and the practicalities of this sort of policies, both from the perspective of those implementing the policy, but also from the perspective of those facing new regulations as well as the political aspects involved. Lectures are organized around topics such as the science of climate change, social and economic impacts of climate change, market failure and government intervention, ethics, cost-benefit analysis and climate change, economic valuation of climate change impacts, integrated assessment models and the social cost of carbon, policy instruments in the European Union, inequality in climate responsibilities and impacts, political economy and climate policy, international environmental agreements, international aspects of climate policies (carbon leakage, carbon border adjustment, geoengineering).