Although you can try searching Google for your topic, you will probably find the following web search engines provide more relevant and accurate results.
SPECIAL NOTE: When working in topics such as climate change, contamination, environmental issues, or superfund sites, remember that the Trump administration has removed vital materials from former administration's websites. Whitehouse.gov and fws.gov are just two of the many sites that have had much of their scientific data removed. One can search much of this data by using the Wayback Machine, an archive of websites over the years.