This study investigates how middle school students make hypothetical purchasing, consuming, and voting decisions about environmental and science-related issues--a key component of environmental literacy. Fifty-three female students were given a packet containing multiple excerpts of information from conflicting positions from stakeholders and interviewed about how they would make decisions about environmental and science-related issues. We first investigated whether and how information presented as evidence influenced students' accounts that may impact their decision-making (i.e. to make or change decisions). We then investigated how evidence type affected students' decision-making. Findings indicated that most students did not change their stance after reading additional contrasting information presented as evidence. Implications for science teaching and learning are discussed.