Which is greener: glass, plastic, or can bottles? Which one do you think contributes more to global warming, acid rain, aquatic...

When comparing plastic, paper, glass, and steel straws, which option is more environmentally friendly? Dr. Philip Jessop considers their...

Which is greener, cotton or plastic bags? Dr.   Philip Jessop compares single-use and reusable bags! Which one do you think contributes...

Which is greener: A, B, or C? Dr. Philip Jessop   explains life cycle assessments to determine what material or process is greener...