Final answer:
To evaluate if there's been a local decrease in fossil fuel usage, one can analyze historical data, consult local government reports, gather data from power plants, and conduct community surveys. Data from official records tend to be more reliable than surveys.
Step-by-step explanation:
To test the claim that there has been a decrease in the use of fossil fuels locally in the last year, one could undertake several approaches:
- Analyze historical data on fossil fuel usage to observe trends and compare year-over-year usage.
- Conduct surveys in the local community asking about changes in fossil fuel consumption habits.
- Gather recent data from local power plants on their fossil fuel consumption.
- Consult local government reports that may track energy consumption and focus on sustainability efforts.
The most direct methods would likely involve analyzing historical data for accuracy and consulting official reports for recorded data. Data from local power plants can be indicative if there's been a switch to alternative energy sources. Surveys can be complementary, but may not be as reliable due to potential sampling errors or personal biases.