A top Democratic senator is urging a congressional watchdog to investigate multiple ways in which climate change poses a threat to the environment and humans as a means to document the issues for future oversight and bill drafting.

Sen. Tom Carper Thomas (Tom) Richard CarperThe conservative case for phasing out hydrofluorocarbons Democrat asks for probe of EPA's use of politically appointed lawyers Overnight Energy: Study links coronavirus mortality to air pollution exposure | Low-income, minority households pay more for utilities: report MORE (D-Del.), ranking member of the Senate Environment and Public Works Committee, sent five separate letters to the Government Accountability Office (GAO) Monday to open up as many studies into how global warming is affecting areas that the federal government oversees.

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The letters, also co-signed by other Democratic senators, ask the GAO to look into how climate change might affect energy infrastructure, nuclear waste storage, flood risk management, Superfund sites and chemical facilities.

Sens. Joe Manchin Joseph (Joe) ManchinManchin defends Supreme Court candidate Barrett: 'It's awful to bring in religion' The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Trump meets with potential Supreme Court pick Amy Coney Barrett at White House MORE (D-W.Va.) and Tammy Duckworth Ladda (Tammy) Tammy DuckworthMcConnell focuses on confirming judicial nominees with COVID-19 talks stalled Biden courts veterans amid fallout from Trump military controversies John Fogerty: 'Confounding' that Trump campaign played 'Fortunate Son' at rally MORE (D-Ill.) each also signed a letter. Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.), a 2020 presidential candidate, backed the letters calling for a report on Superfund and chemical sites.

The lawmakers’ requests follow the release of the GAO’s biennial High Risk List, which found that neither international nor U.S. efforts to stave off climate change “approach the scales needed to avoid substantial damage to the U.S. economy, environment and human health over the coming decades.”

“The Government Accountability Office has already joined leagues of scientists and nonpartisan experts in raising the alarm about the short- and long-term risks climate change poses to our country’s environment, public health and economy,” Carper said in a statement.

“These nonpartisan studies would help to inform our oversight and legislative work on the Environment and Public Works Committee as we continue working on climate change solutions.”