An environmental dilemma is a decision-making situation in which different options have different and conflicting environmental impacts. These scenarios can be complex, and the 'right' choice is not always clear-cut. For example, a city might be considering whether to build a new highway or to invest in public transportation, knowing that the first option will reduce traffic congestion and boost economic growth, but will also increase pollution and contribute to climate change.

Other environmental dilemmas include the choice of whether to frack for natural gas, whether to develop solar farms on agricultural land, and whether to protect endangered species that may threaten human activities. These decisions are often difficult to make, and there is no one-size-fits-all solution.

Environmental dilemmas can be addressed using various approaches, including cost-benefit analysis, environmental impact assessment, and multi-criteria decision analysis. These methods help to weigh the different impacts of different options and to make informed decisions.

It is important to note that environmental dilemmas are not simply about making the 'right' or 'wrong' choice. Rather, they are about identifying and understanding the different impacts of different options and making the best possible decision given the circumstances.