Question 1

The EPA recently proposed extending the compliance deadline for Maximum Contaminant Levels (MCLs) for PFOA and PFOS in drinking water. To what year are these systems now being offered an extension to comply, from the original April 2029 deadline?

Accepted Answer

April 2031

Question 2

Which of the following PFAS substances has the EPA proposed to rescind the Maximum Contaminant Levels (MCLs) for, alongside a Hazard Index for a mixture of PFAS constituents, citing procedural issues in their initial promulgation?

Accepted Answer

PFHxS, PFNA, and HFPO-DA

Question 3

Recent legislative action in the U.S. House of Representatives has advanced a bipartisan package aimed at accelerating which type of renewable energy project by reforming its permitting process?

Accepted Answer

Geothermal energy

Question 4

The U.S. Environmental Protection Agency (EPA) has proposed a rule that would narrow what constitutes prohibited pre-permit construction activity under the Clean Air Act's New Source Review (NSR) permitting process. What is a primary stated goal of this proposed change?

Accepted Answer

To speed up large construction projects, particularly data centers

Question 5

A recent report by the Department of Energy's 2025 Climate Working Group evaluated the impacts of greenhouse gas emissions. Which of the following was a key finding regarding CO2-induced warming and mitigation strategies?

Accepted Answer

CO2-induced warming appears less damaging economically than commonly believed, and aggressive mitigation could be more harmful than beneficial.

Question 6

The U.S. Department of Agriculture's Natural Resources Conservation Service (NRCS) recently unveiled a new framework aimed at what type of conservation effort?

Accepted Answer

Migratory big game

Question 7

In a significant environmental policy shift, the Trump administration has proposed loosening federal rules regarding greenhouse gases used in cooling equipment. Which of the following industries is most directly affected by this proposed change?

Accepted Answer

Grocery stores and air-conditioning companies

Question 8

The U.S. Fish and Wildlife Service recently finalized habitat protections for an endangered species. Which species was this for?

Accepted Answer

Rusty Patched Bumble Bee

Question 9

Recent news indicates that SEG Solar is planning a large-scale solar panel factory in Houston. What is the planned capacity of this facility, and how many such factories would it be for the company in the US?

Accepted Answer

4.6 GW, its third in the US

Question 10

The EPA has proposed to rescind regulations establishing arbitration procedures for small cost recovery claims related to which environmental cleanup program?

Accepted Answer

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)

US Environmental Policy Shifts: PFAS Rules, Clean Energy, and Conservation Efforts This Week

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