The tragedy of a second runway at Gatwick | Brief letters

The article discusses several issues, including the proposed construction of a second runway at Gatwick Airport and the need for international cooperation to address climate change. It also mentions Donald Trump's comments on medication and autism. The key points are: 1. The construction of a second runway at Gatwick Airport is seen as a "tragedy of the commons", where individual actions (building the runway) can have a negative impact on the climate, even though all nations benefit from a healthy climate. 2. The article suggests that the only way to prevent this tragedy is through international cooperation, including a binding agreement to phase out fossil fuel production. 3. The article also suggests that it would be helpful if Donald Trump were to disclose what medication he is taking, so that others can avoid it. The article presents a concise and unbiased summary of the main issues, focusing on the importance of international cooperation to address climate change and the need for transparency regarding the use of medication.