Nathan Rott

President Trump signed a sweeping set of executive orders on Tuesday that aim to dismantle the Obama administration's efforts to combat climate change.

The Trump administration aims to roll back the Clean Power Plan, which limits emissions from power plants, lift the moratorium on federal coal leases and change the "social cost of carbon" policy.

The Trump administration is expected this week to unveil its executive order undoing President Obama's Clean Power Plan, which aimed to reduce greenhouse gas emissions from power plants.

Legislation would loosen restrictions on gun suppressors, with proponents saying quieter guns protect shooters' hearing. But opponents say easier-to-get silencers are a risk to the public.

The head of the Environmental Protection Agency says he does not agree that carbon dioxide is the main driver of climate change.

President Trump takes action to roll back another environmental regulation. The Clean Water Rule extends federal authority over smaller streams and marshes, but farmers, builders and others say it goes too far.

Press secretary Sean Spicer's comments on Thursday came as a poll indicated a majority of Americans support legalizing marijuana.

Scott Pruitt is promising an aggressive rollback of regulations at the Environmental Protection Agency. NPR takes a look at what he's likely to target and the challenges he will face.

The Trump administration faces protests for its plan to aggressively rein in the EPA, an agency created by President Richard Nixon. But environmental protection was not always so politically divisive.

The U.S. government said it had stopped implementing President Trump's executive order on immigration and refugees after a federal judge temporarily blocked it.

There are two big environmental regulations on the chopping block for congressional Republicans this week — involving coal mining and methane emissions.

A Trump official says he expects peer-reviewed research will be subject to vetting during the transition period. If such a rule became permanent, it would be a radical departure from existing policy.

The Trump administration has ordered a temporary media blackout for the Environmental Protection Agency as its transition team gets into place.

Scott Pruitt also told a Senate committee on Wednesday it's not clear how to measure humanity's effect on the climate. As attorney general of Oklahoma, he has filed many lawsuits against the agency.

Trump's pick to head the Environmental Protection Agency has acknowledged that human activity plays "some" role in the changing climate. In his confirmation hearing on Wednesday, Scott Pruitt said he wants to work with states to protect the environment while also encouraging economic growth.

Roberts praised the "selfless, patriotic and brave" lower court judges, writing, "District judges make a difference every day, and leave a lasting legacy, by making our society more fair and just."

NPR's breaking news reporter Nate Rott, former political reporter Sam Sanders and senior business editor Marilyn Geewax talk about what happened in news during 2016.

The president used his powers under the 1906 Antiquities Act to create the Bears Ears and Gold Butte national monuments, protecting the areas from future development.

With wildfire becoming more prevalent in the U.S. and the Forest Service increasingly looking to let some wildfires burn, there's a need to better understand the smoke that billows from those fires.

Henry Heimlich, the surgeon credited with inventing the Heimlich maneuver for choking victims, has died. The move saved thousands of lives. But he had other ideas that were more controversial.