He enacted rules to cut planet-heating emissions across much of the United States economy, from cars to coal plants.
This sits ill with ambitious government pledges to cut planet-heating emissions and get 15% of energy from renewable sources by 2020.
But the government has committed to ambitious targets to cut planet-heating emissions by 80% by 2050, compared with 1990 levels.
Yet it will do little to entice investors.Some £200 billion ($300 billion) needs to be spent on Britain's energy sector by 2020 to replace retiring coal and nuclear-fired power stations and hit difficult targets to cut planet-heating emissions, according to the regulator.
Currently fossil fuels provide more than 80% of all energy but the urgent need to cut planet-warming carbon emissions means this must fall to as little as a third of present levels in coming decades, according to a leaked draft of the Intergovernmental Panel on Climate Change (IPCC) report seen by the Guardian.
For the second Friday in a row, seeking to cut planet-warming greenhouse gas emissions, the Obama administration proposed updating 30-year-old rules governing fossil fuel extraction.
In December 2015, Pompeo railed against the Obama administration for brokering the Paris climate agreement, the global deal to cut planet-warming emissions that virtually every nation on Earth has now signed.
Few, if any, stories on renewable energy's role in helping cut planet-warming emissions appear on these sites, while polemics against the widely-accepted science behind climate change abound.
The region's race to cut planet-warming greenhouse gases is generating friction, and some Members of European Parliament and experts point the finger of blame at Russian big energy interests and populist governments in thrall to them.
In response, Peduto, whose city in the past decade became home to burgeoning tech and medical industries, vowed to abide by the global deal to cut planet-warming emissions anyway.
