ASK A SCIENTIST
Do you ever wonder about various aspects of plastics and plastic pollution? Our science director, Trisha Vaidyanathan, PhD is here to shed some light on these questions in her monthly column, “Ask a Scientist.”
Got a question? If you would like to ask a question for Trisha’s consideration, please submit it using this form. Please note that we cannot guarantee an answer to every question we receive.
Why Should We Avoid Heating Plastic?
You may have heard that you should not heat food up in plastic in your microwave. Why is it a bad idea to heat plastics? Find out!
Why & How Are Chemicals Used in Plastic?
Plastics are made from a combination of fossil fuels (or another feedstock) and a mixture of more than 16,000 chemical additives. Learn more about what these chemicals are, why they’re added, and what their impacts are.

