Trump's plan would threaten endangered species or fragile habitats with limits for environmental reviews
Transport overtook power generation for climate-warming emissions in 2017 but the Trump administration is reversing curbs on auto industry pollution
Scott Pruitt signs notice proposing scrapping of Clean Power Plan, as EPA fails to confirm whether it will come forward with a replacement
EPA chief Scott Pruitt expected to formally start proceedings to scrap clean power rules, as he signals he wants to kill off renewables tax breaks
EPA administrator Scott Pruitt U-turns on plan to delay deadline to comply with ozone air pollution rules following lawsuit from 15 states
Climate scientists respond angrily to Scott Pruitt's climate denial comments as more EPA green programmes reportedly face budget cuts
US President expected to sign executive order to rescind major industrial emissions regulation this week with NOAA budget cuts also in the offing
Reports suggest major internal battle between Trump advisors over whether to stick with the Paris Agreement
US media reports Trump's budget proposals will impose deep cuts on the EPA, as President seeks to free up money to boost military spending
President Trump appointee gives first address to Environmental Protection Agency employees in Washington DC