If you don't have a lot of time to research each material, you can start by focusing on a few key metrics that are commonly used to evaluate the environmental impact of different materials. Some possible metrics to consider include:

1. Carbon footprint: This refers to the total amount of greenhouse gas emissions that are generated during the production, transportation, and use of a material or product. You can research the carbon footprint of each material and compare them to determine which ones have the lowest impact.

2. Energy use: The amount of energy required to produce a material can be an important indicator of its environmental impact. You can research the energy requirements for each material and compare them to determine which ones are the most energy-efficient.

3. Water use: Some materials require a lot of water to produce, which can have negative environmental impacts if water resources are scarce. You can research the water requirements for each material and compare them to determine which ones have the lowest impact.

4. Waste generation: Some materials generate more waste than others during the production process, which can have negative environmental impacts. You can research the waste generation for each material and compare them to determine which ones are the most efficient.

By focusing on these key metrics, you can quickly compare the environmental impact of different materials and make an informed decision about which ones are the most environmentally friendly. Keep in mind that these metrics are just a starting point, and there may be other factors to consider depending on the specific materials you are evaluating.
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