Last month the Better Air Quality in Asia (BAQ) biennial conference was held in Bangkok. It highlighted one of the most pressing issues for the mega cities of Asia

Health savings of up to 25 billion euro could be achieved every year in the European Union if stronger climate policies were implemented, says a new study.

Close collaboration between scientists in China, India, Italy, Switzerland, and IIASA has resulted in a tool to help policymakers in China and India make sense of the complexities of air pollutant controls and greenhouse gas mitigation.

For all its economic capacity, population size, and resource base, California remains only one among the 50 United States and, essentially, is a subnational actor attempting to play a role in the climate change policy arena on par with the nation-states of the world. This raises a series of questions about the substance and breadth of the state's new policy and what has motivated it.

Germany is one of the leading countries in Europe, as well as globally, in terms of its renewable energy and climate change policies. The multiple levels of government within the European Union (EU) mean that the German government must interact both with EU institutions (e.g., the Commission, Council, and Parliament) and subnational L

Will hydrogen ever transform the way we heat our homes and fuel our cars?