Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Google search engine indexed words related to the field in the last 20 years. The number of hits for single-use, bioplastics, biodegradable, and polyhydroxyalkanoates (PHA) are shown in two-year intervals from 2000 to 2020. The values for each searched word are shown in thousands (K) and are non-cumulative.
